Resistivity interview questions
Resistivity interview questions
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Total Questions: 10
1. Which of the following statements are true with regard to resistivity?
Correct Answer is : Resistance depends on the temperature
2. Which of the following statements are true with regard to resistance?
Correct Answer is : Resistance is directly proportional to an area of cross section of the wire
3. Materials which allow the passage of electric current are known as ______
Correct Answer is : Conductors
4. A wire of length 2m and another wire of length 5m are made up of the same material and have the same area of cross section, which wire has higher resistance?
Correct Answer is : The 5m wire has higher resistance
5. A wire having an area of cross section = 10sqm and another wire having an area of cross section= 15sqm, have the same length and are made up of the same material. Which wire has more resistance?
Correct Answer is : The 10sqm wire has higher resistance
6. The instantaneous voltage is a product of the resistance and the _____________ current in a resistive circuit.
Correct Answer is : Instantaneous
7. Find the value of the instantaneous voltage if the resistance is 2 ohm and the instantaneous current in the circuit is 5A.
Correct Answer is : 10V
8. The power for a purely resistive circuit is zero when?
Correct Answer is : Either current or voltage is zero
9. If the maximum voltage in the circuit is 10V and the resistance is 5 ohm, calculate the maximum current in the circuit.
Correct Answer is : 2A
10. Calculate the resistance in the circuit if the rms voltage is 20V and the rms current is 2A.
Correct Answer is : 10 ohm
