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Why am I not flexible at 13?
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Can I take ECE if I am weak in physics?
Answer : Yes, you can definitely pursue Electrical and Computer Engineering (ECE) even if you're weak in physics. While physics is important in ECE, especially in areas like circuits, electromagnetism, and ... With consistent effort and the right approach, you can overcome challenges and excel in the field!...

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Why KVL and KCL are not applicable at high frequency?

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Why Ohms law is not applicable at very low temperature?

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Why Ohms law is not applicable at variable temperature?
Answer : Ohm's law, which states that \( V = IR \) (where \( V \) is voltage, \( I \) is current, and \( R \) is resistance), assumes that the resistance \( R \) of a ... variable. Instead, you need to account for how resistance changes with temperature in order to understand the behavior of the material....

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Why Ohm's law is not applicable at very low temperature?
Answer : Ohm's law, which states that \( V = I \times R \) (where \( V \) is the voltage, \( I \) is the current, and \( R \) is the resistance), is ... because the behavior of materials, especially their resistance, changes due to quantum effects, superconductivity, and altered electron scattering....

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Why is inductance represented by L, why not I?
Answer : The symbol **L** for inductance is historically derived from the word **"inductance"** itself, and it's used to avoid confusion with the symbol **I**, which stands for ** ... * was chosen to avoid confusing two different but fundamental concepts (inductance and current) in electrical circuits....

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An industrial consumer charged with the scheduled tariff of Rs.250 /kVA per month for maximum demand and 150 paisa per unit consumed for load factor of 60% and 80%. Find overall cost per unit at i) unity P.F. ii) 0.9 P.F. consider maximum demand of 50 kVA.
Answer : To solve this, we need to calculate the total cost of electricity consumption for an industrial consumer, considering the maximum demand (MD), load factor (LF), and power factor (PF) at ... tariff is based on kVA, and the load factor and total consumption determine the cost more significantly....

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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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A 3 φ I.M. has synchronous speed of 250rpm and 4% slip at full load. The rotor has a resistance of 0.02Ω/ph and stand still reactance of 0.15Ω/ph. Calculate i) The speed at which max torque is developed. ii) The ratio of maximum to F. L. torque. iii) The ratio of maximum to starting torque.

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How do I know if my AC capacitor is not working?
Answer : If your AC capacitor is not working, you may notice a few signs. Here's how you can tell: ### 1. **AC Doesn't Start or Takes Longer to Start:** - One of the primary ... not comfortable performing these tests, it's always a good idea to call an HVAC professional for diagnosis and repair....

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How do I fix my battery plugged in but not charging?
Answer : If your laptop or device shows "plugged in, not charging," there are a few common solutions you can try to fix the issue: ### 1. **Check the Power Adapter and Cable** - Ensure that the ... you may need to replace the battery. Give these steps a try, and hopefully, it will resolve the issue!...

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How do I fix my charging not working?
Answer : If your charging isn't working, there could be several reasons for it. Here are some common troubleshooting steps you can follow to fix the issue: ### 1. **Check the Charging Cable and Adapter** - ... , you should be able to identify and possibly fix the issue. Let me know if you need more help!...

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Explain the following troubles and related remedies in an ultrasonic flow meter: (i) Meter does not show reading (ii) Meter shows less value of flow measured (iii) Meter shows a high value of flow measured.

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What are the 13 types of matter?
Answer : The 13 types of matter typically refer to different forms or states of matter that exist based on their properties. Here's a breakdown of them: ### 1. **Solid** - **Definition:** ... a different role in the behavior of matter under various conditions, such as temperature, pressure, and energy....

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What is the name of chapter 13 in class 12th physics?
Answer : In the Class 12 Physics curriculum (based on the NCERT textbook), **Chapter 13** is titled **"Nuclei."** This chapter focuses on topics like nuclear properties, radioactivity, nuclear reactions, and the ... of atomic nuclei. Let me know if you need a breakdown of the chapter or its topics!...

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Explain the concept of FACTS (Flexible AC Transmission Systems).

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Is 13.2 volts good for a battery?
Answer : It depends on the type of battery you're talking about. 1. **Lead-Acid Battery (e.g., car battery)**: A fully charged 12V lead-acid battery should be around 12.6 to 12.8 volts ... but could indicate overcharging or potential damage if sustained for too long. It's important to monitor it carefully....

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What are the 13 types of chemical reactions?
Answer : Chemical reactions are categorized into several types based on how the reactants transform into products. Here are 13 common types of chemical reactions: 1. **Synthesis (Combination) ... , from simple combinations to complex transformations, each governed by specific principles of chemistry....

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Explain the features of flexible AC transmission line (any four). State types of FACTS controller.

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How to convert 13 to binary number?
Answer : To convert the decimal number 13 into binary, you can follow these steps: 1. **Divide 13 by 2** (since binary is base 2) and note the **quotient** and **remainder**. 2. **Repeat the process** ... read the remainders from bottom to top: **1101**. So, the binary representation of 13 is **1101**....

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What is the difference between AM and FM demodulation?
Answer : AM (Amplitude Modulation) and FM (Frequency Modulation) are two different methods of modulating a carrier signal to transmit information, such as audio. Demodulation is the process of extracting that ... for changes in signal strength, while **FM demodulation** looks for changes in frequency....

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What is the modulation and demodulation process for AM?

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What is the full form of AM radio?
Answer : The full form of AM radio is **Amplitude Modulation**. In AM radio, the amplitude (or strength) of the radio waves is varied (or modulated) to carry the sound information. The frequency ... the audio signal being transmitted. AM radio is commonly used for broadcasting news, talk shows, and music....

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Why use the VCB at High Transmission System ? Why can’t use ACB?

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Why induction motor draws heavy current at starting?
Answer : Induction motors draw heavy current at startup due to the following reasons: 1. **No Back EMF (Electromotive Force) at Startup**: When an induction motor starts, the rotor is initially at ... motor is stationary, and the current gradually reduces as the motor accelerates and the back EMF increases....

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Why field rheostat is kept in minimum position while armature rheostat at maximum position?

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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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In the motors starting purpose why the armature rheostats at maximum position while the field rheostat is kept in minimum position?

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Why is electricity generated at low voltage?
Answer : Electricity is often generated at low voltage for a couple of important reasons: 1. **Efficiency of Generation**: Generating electricity at lower voltages is easier and more cost-effective at ... voltage for simplicity and safety, but then stepped up to higher voltage for efficient transmission....

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Why is electricity transferred by the national grid at A high PD but low current?
Answer : Electricity is transferred by the national grid at a high potential difference (PD) and low current to reduce energy loss during transmission. Here's how this works: 1. **Power Loss ... at a high potential difference but low current reduces energy losses and makes the transmission more efficient....

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