RLC Interview Questions

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Total Questions: 5

1. Find the total voltage applied in a series RLC circuit when i=3mA, VL=30V, VC=18V and R=1000 ohms.

A. 3.95V

B. 51V

C. 32.67V

D. 6.67V

Correct Answer is : 51V

2. In an RLC circuit, which of the following is always used as a vector reference?

A. Voltage

B. Resistance

C. Impedance

D. Current

Correct Answer is : Voltage

3. In an RLC circuit, the power factor is always ____________

A. Positive

B. Negative

C. Depends on the circuit

D. Zero

Correct Answer is : Depends on the circuit

4. In an RLC series phasor, we start drawing the phasor from which quantity?

A. Voltage

B. Resistance

C. Impedance

D. Current

Correct Answer is : Current

5. When is tanφ negative?

A. When inductive reactance is less than capacitive reactance

B. When inductive reactance is greater than capacitive reactance

C. When inductive reactance is equal to capacitive reactance

D. When inductive reactance is zero

Correct Answer is : When inductive reactance is equal to capacitive reactance

RLC interview questions