Which expands more, copper or aluminium?

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Which winding is better, copper or aluminium?

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Which metal expands more in a bimetallic strip?

Which metal expands more in a bimetallic strip?
Answer : In a bimetallic strip, two metals are bonded together, and when the strip is heated, one metal expands more than the other, causing the strip to bend. The metal that expands more in a ... *metals like aluminum and brass** tend to have higher thermal expansion than metals like steel or iron....

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State the properties of copper and aluminium which make them good conductors of electricity.

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Select insulating materials for following parts: (i) Insulation between heating element and base plate of electric iron. (ii) Insulation used over copper or aluminium conductor used for making coils. (iii) Transformer bushings. (iv) Insulation between transmission line and pole.
Answer : Here are the insulating materials typically used for each of the given applications: 1. **Insulation between heating element and base plate of electric iron**: ** ... on their insulating properties, heat resistance, dielectric strength, and ability to withstand environmental conditions....

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Compare copper and aluminium on the basis of: (i) Tensile strength (ii) Conductivity (iii) Specific gravity (iv) Application.

Compare copper and aluminium on the basis of: (i) Tensile strength (ii) Conductivity (iii) Specific gravity (iv) Application.
Answer : Here's a simple comparison between copper and aluminum based on the four properties you mentioned: ### 1. **Tensile Strength:** - **Copper:** Copper has a higher tensile ... and mechanical applications, while aluminum is preferred where weight, cost, and corrosion resistance are more important....

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Which is more accurate galvanometer or ammeter?

Which is more accurate galvanometer or ammeter?
Answer : An **ammeter** is generally more accurate than a **galvanometer** when measuring electric current, but this is because they serve different purposes. 1. **Galvanometer**: - A ... measuring current in an everyday electrical circuit, an ammeter would be the better tool for accurate readings!...

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Which is more stronger electric field or magnetic field?

Which is more stronger electric field or magnetic field?
Answer : The strength of an electric field or a magnetic field depends on the situation and the context. They're two different aspects of the electromagnetic force, and both have their own ways of being ... , the "strength" depends on the specific situation you're considering. Does that help clarify things?...

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Which consumes more power, AC or DC?

Which consumes more power, AC or DC?
Answer : The amount of power consumed by AC (Alternating Current) or DC (Direct Current) depends on several factors like the type of load (e.g., motors, appliances) and how the system is designed. ... can be more efficient in certain applications like low-voltage systems (e.g., electronics and batteries)....

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Which has more resistivity gold or silver?

Which has more resistivity gold or silver?
Answer : Silver has lower resistivity than gold. This means that silver is a better conductor of electricity compared to gold. In fact, silver is the best conductor of electricity among all metals. Here' ... , silver has less resistivity and allows electric current to flow through it more easily than gold....

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Which is more powerful DC or AC current?

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Which current is more safe AC or DC?

Which current is more safe AC or DC?
Answer : When it comes to safety, **AC (Alternating Current)** is generally considered safer than **DC (Direct Current)**, but it depends on a few factors. Here's a quick breakdown: ### 1. ... , grounding, and circuit breakers are crucial for both types of current to reduce the risk of electrical hazards....

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Which is more painful, AC or DC?

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Which loss is called as copper loss?

Which loss is called as copper loss?
Answer : Copper loss refers to the loss of energy that occurs due to the resistance of the copper windings in electrical devices like transformers and motors. Here's how it happens: - When ... applications. That's why it's important to design systems that minimize copper loss for better efficiency....

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Which loss is called a copper loss?

Which loss is called a copper loss?
Answer : Copper loss refers to the loss of energy that occurs due to the resistance of the copper windings in electrical devices, like motors or transformers, when current flows through them. This ... windings when electrical current flows through them, and it contributes to the overall energy loss....

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Which factor the copper loss of a transformer depends?

Which factor the copper loss of a transformer depends?
Answer : The copper loss in a transformer depends on the following factors: 1. **Load Current (I)**: Copper loss is directly proportional to the square of the load current. The higher the load current, ... the load on the transformer. The more current and resistance you have, the greater the copper loss....

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Is copper or silver the anode?

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Which type of bus arrangement is costlier and more reliable?

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A (50/60 Hz) Transformer. Which one will give more Output?

A (50/60 Hz) Transformer. Which one will give more Output?
Answer : A transformer designed for 60 Hz will generally give a higher output than one designed for 50 Hz, assuming the same size and construction. Here's why: 1. **Frequency Impact on Transformer Design:** ... application depends on the system you are connecting it to-whether it is 50 Hz or 60 Hz....

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Which MCB is more sensitive?

Which MCB is more sensitive?
Answer : The sensitivity of an MCB (Miniature Circuit Breaker) is usually defined by its **trip characteristics**, which are determined by its **current rating** and the type of MCB (Standard, Type B, C, or D). - * ... , if you're looking for the **most sensitive** MCB, **Type B** would be the right choice....

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Which polarization takes more time?

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Is AC more powerful or DC?

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Who earns more, it or CSE?

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Which engineering is more easy?

Which engineering is more easy?
Answer : There's no one-size-fits-all answer to which engineering field is "easier" because it depends on your personal strengths, interests, and aptitudes. However, I can give you a general idea based on ... what excites you the most! Passion makes it easier to push through the tough parts of any field....

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Which stream has more salary?

Which stream has more salary?
Answer : When it comes to salary, the stream you choose can have a significant impact, but it largely depends on several factors like the industry, job role, location, level of experience, and the ... long-term career satisfaction and opportunities for growth, which can be just as important as salary....

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Which circuit is more useful?

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Which has more drift velocity?

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What is more important frequency or intensity?

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Which engineering is more difficult?

Which engineering is more difficult?
Answer : The difficulty of an engineering field depends on various factors, such as personal interests, strengths, and how much effort you're willing to put into learning. Different people find different ... is the one that challenges you the most, depending on your personal interests and strengths!...

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Which engineering is more in-demand?

Which engineering is more in-demand?
Answer : The demand for engineering disciplines can vary depending on factors like industry growth, technological advancements, and regional needs. However, as of now, these engineering fields are particularly ... It's important to consider future trends and how technology might evolve in specific sectors....

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Which engineering is more in demand?

Which engineering is more in demand?
Answer : The demand for engineering disciplines can vary depending on several factors, like technological advancements, geographic location, and industry trends. However, some fields are generally more in demand due ... world focuses on health and sustainability. Do any of these fields catch your interest?...

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What is the electrochemical equivalent of aluminium?

What is the electrochemical equivalent of aluminium?
Answer : The electrochemical equivalent of aluminium refers to the amount of aluminium deposited or dissolved when a current of 1 ampere flows through an electrolyte for 1 second. For aluminium, the ... 10⁻⁴ grams of aluminium would be deposited or dissolved, depending on the direction of current....

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Explain the suitability of aluminium as an electrical conductor with respect to its mechanical and electrical properties.

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Why copper is used in RTD?

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How to minimize copper losses?

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Is copper loss in transformers?

Is copper loss in transformers?
Answer : Yes, copper loss occurs in transformers. Copper loss is the power lost due to the resistance of the windings (the coils of copper wire) when current flows through them. These losses are caused ... you like to learn more about how to calculate copper loss or its effects in transformer efficiency?...

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Does copper loss depend on voltage?

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What does copper loss depend on?

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What is a bimetallic strip of copper and aluminum?

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What is the nickname of copper metal?

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Why is copper called rabbit?

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What is the full name of copper?

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What is ECE of copper?

What is ECE of copper?
Answer : The **Electrochemical Equivalent (ECE)** of copper refers to the mass of copper that is deposited or dissolved when an electric current of 1 ampere flows for 1 second through an ... amount of material that will be deposited or dissolved in electrochemical processes like plating or purification....

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Explain the suitability of copper as an electrical conductor with reference to its mechanical and electrical properties.

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State Magneto-striction. Draw Hysteresis loop for: (i) High silicon steel (ii) Copper (iii) Soft iron (iv) Wood.

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A 500kVA distribution transformer having copper and iron losses of 5kW and 3kW respectively on full load. The transformer is loaded as shown below: Loading (kW) Power Factor (Lag) No. of hours 400 0.8 06 300 0.75 12 100 0.8 03 No load - 03 Calculate the all-day efficiency.
Answer : To calculate the all-day efficiency of the transformer, we need to consider the total energy output, the total energy input, and the losses over a 24-hour period. The transformer experiences two types of ... \] ### Final Answer: The all-day efficiency of the transformer is approximately **98.39%**....

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The power input to a 500V 50Hz 6Pole 3 phase induction motor running at 975 rpm is 40 kW. The stator losses are 1kW and friction and windage losses are 2kW. Calculate: (i) Slip (ii) Rotor copper loss (iii) Shaft power (iv) Efficiency

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What is copper loss and why is it variable?

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What is copper loss?

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What is the permittivity of copper?

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Are there more than 7 logic gates?

Are there more than 7 logic gates?
Answer : Yes, there are more than 7 logic gates! While the basic 7 logic gates (AND, OR, NOT, NAND, NOR, XOR, and XNOR) are the most commonly used, there are other types of gates and combinations of ... basic ones. So, if we combine or apply the logic differently, there are many other gates we can define!...

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Which expands more, copper or aluminium?

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