State why a transformer always has an efficiency of more than 90%.

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Why energy conservation technique should be adopted in transformer even though its efficiency is mostly more than 90%.

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Why is the emf of a battery always slightly higher than the potential difference that it can provide to an electric circuit?

Why is the emf of a battery always slightly higher than the potential difference that it can provide to an electric circuit?
Answer : The electromotive force (emf) of a battery is always slightly higher than the potential difference (voltage) it provides to a circuit due to the internal resistance of the battery. Here's why: 1. **Internal ... is why the voltage you see in a circuit is always a bit less than the battery's emf....

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Why is the terminal voltage across A battery more than the emf during charging?

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Why is the terminal voltage across a battery more than the emf during charging?

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Why does potentiometer measure the potential difference more accurate than a voltmeter?

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Why Hall voltage is more in semiconductor than in conductor?

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Why AC Needs More Insulation Than DC at Same Voltage Level?

Why AC Needs More Insulation Than DC at Same Voltage Level?
Answer : AC (Alternating Current) requires more insulation than DC (Direct Current) at the same voltage level primarily due to the nature of the current flow and the associated risks. Here's ... increased stress on the insulation material. This helps prevent insulation failure and ensures safe operation....

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Why is terminal voltage more than emf?

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Why apparent power is more than actual power?

Why apparent power is more than actual power?
Answer : Apparent power is more than actual power because it represents the combination of both **real power (active power)** and **reactive power**, whereas actual power refers only to the real power that ... work, and reactive power, which is needed for maintaining the conditions for work to be done**....

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Why is DC used more than AC?

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Why FET is more stable than BJT?

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Why the potential difference of a source of electric current is always less than its emf?

Why the potential difference of a source of electric current is always less than its emf?
Answer : The potential difference (voltage) across a source of electric current is always less than its electromotive force (EMF) because of the internal resistance within the source itself, such as in a battery ... lower than the EMF due to the voltage loss caused by the internal resistance of the source....

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Why the emf of a cell is always greater than its terminal potential difference?

Why the emf of a cell is always greater than its terminal potential difference?
Answer : The electromotive force (emf) of a cell is always greater than its terminal potential difference due to the internal resistance of the cell. Let me explain this in simple terms: 1. * ... internal resistance causes a voltage drop, and the terminal potential difference becomes smaller than the emf....

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Why is the emf of a battery always slightly higher than the potential difference?

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Why is the emf of a cell always greater than its terminal voltage?

Why is the emf of a cell always greater than its terminal voltage?
Answer : The electromotive force (emf) of a cell is always greater than its terminal voltage due to the internal resistance of the cell. Here's how it works: 1. **Emf (Electromotive Force):** This ... the circuit. That's why the emf is always greater than the terminal voltage in a practical situation....

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Why is the EMF of a cell always greater than the potential difference?

Why is the EMF of a cell always greater than the potential difference?
Answer : The **electromotive force (EMF)** of a cell is the maximum potential difference the cell can provide when no current is flowing. In contrast, the **potential difference** is the actual ... no current flows) is always greater than the potential difference across the terminals when current is flowing....

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Why the emf of a cell is always greater than the terminal voltage?

Why the emf of a cell is always greater than the terminal voltage?
Answer : The electromotive force (emf) of a cell is always greater than its terminal voltage because of the **internal resistance** of the cell. Here's how it works: 1. **Emf**: This is the total ... of that energy is "lost" to the internal resistance of the cell, causing the terminal voltage to be lower....

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Why the terminal potential difference of a cell is always less than its emf?

Why the terminal potential difference of a cell is always less than its emf?
Answer : The terminal potential difference of a cell is always less than its electromotive force (emf) because of the **internal resistance** of the cell. Here's how it works: 1. **Emf of a Cell** ... less than the emf because of the energy lost due to the internal resistance of the cell when current flows....

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Why the emf of a cell is always greater than its terminal voltage?

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Why terminal potential of a cell (or a battery) is always less than its emf ?

Why terminal potential of a cell (or a battery) is always less than its emf ?
Answer : The terminal potential (or terminal voltage) of a cell or battery is always less than its electromotive force (EMF) because of the internal resistance of the cell or battery. Here's a simple ... is always less than the EMF by an amount that depends on the current and the internal resistance....

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Why is the potential difference always less than emf in a closed circuit?

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Why potential difference is always less than emf in a closed circuit?

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Why is terminal potential difference always less than emf of the cell?

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Why is PD always less than EMF?

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Why is emf always greater than pd?

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Why is emf always greater than terminal voltage?

Why is emf always greater than terminal voltage?
Answer : Electromotive force (emf) is the total voltage generated by a source like a battery or a generator, and terminal voltage is the actual voltage measured across the terminals of the source when it's ... the voltage is "lost" inside the power source due to its internal resistance when current flows....

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Why emf is always greater than its terminal voltage?

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Why is the terminal voltage always less than the emf?

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Why back EMF is always less than applied voltage?

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Why emf is always greater than terminal potential?

Why emf is always greater than terminal potential?
Answer : The electromotive force (EMF) is always greater than the terminal potential difference (TPD) because of the internal resistance of the power source (like a battery or a cell). Here's a simple ... the circuit is active and current is flowing, and this is always reduced by the internal resistance....

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Why terminal potential is always less than emf?

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Why is voltage always less than emf?

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Why emf is always greater than terminal potential difference?

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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 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 has more drift velocity?

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Why efficiency of transformer is high?

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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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Can you have more than 1 career?

Can you have more than 1 career?
Answer : Yes, it's definitely possible to have more than one career! Many people juggle multiple careers or side hustles. This can be done in a few different ways: 1. **Full-time job and part-time ... that neither job negatively affects the other. It's all about finding the right balance that works for you!...

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Is DC more powerful than AC?

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Is DC more harmful than AC?

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Is EEE more difficult than CSE?

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Is USA more powerful than India?

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Is DC more safe than AC?

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Which amplifier has highest efficiency?

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Why transformer works on AC rather than DC?

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Is the potential difference across the terminals of a battery always less than its emf?

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Is the potential difference across the terminals of a battery always less than the emf of the battery?

Is the potential difference across the terminals of a battery always less than the emf of the battery?
Answer : No, the potential difference across the terminals of a battery is not always less than its EMF (electromotive force). The relationship depends on whether there is any current flowing through the battery or ... , and less than the EMF when current flows due to the internal resistance of the battery....

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