Resistance interview questions
Resistance interview questions
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Total Questions: 10
1. The resistance of pure metals ___________
Correct Answer is : Increases with an increase in temperature
2. The resistance of insulators __________
Correct Answer is : Decreases with an increase in temperature
3. Which of the following statements are true about metals?
Correct Answer is : Metals have a positive temperature coefficient
4. Which of the following statements are true about insulators?
Correct Answer is : Insulators have a negative temperature coefficient
5. A copper coil has a resistance of 200 ohms when its mean temperature is 0 degree centigrade. Calculate the resistance of the coil when its mean temperature is 80 degree centigrade.
Correct Answer is : 268.5 ohm
6. In an RC series circuit ________
Correct Answer is : Applied voltage leads capacitor voltage
7. An RC network is one which consists of?
Correct Answer is : Resistor and capacitor in series
8. At DC, the capacitor acts as?
Correct Answer is : Open circuit
9. Calculate the resistance in the circuit if the rms voltage is 20V and the rms current is 2A.
Correct Answer is : 10 ohm
10. At DC, inductor acts as ___________
Correct Answer is : Short circuit
