Explore topic-wise MCQs in Testing Subject.

This section includes 657 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Subject knowledge and support exam preparation. Choose a topic below to get started.

1.

An_induced_emf_is_said_to_be_________$

A. Inductive
B. Capacitive
C. Resistive
D. Cannot be determined
Answer» B. Capacitive
2.

If the power factor is 10 and the resistance is 2 ohm, calculate the inductive reactance?

A. 10 ohm
B. 20 ohm
C. 30 ohm
D. 40 ohm
Answer» C. 30 ohm
3.

If the resistance in a circuit is 2 ohm and the inductive resistance is 20 ohm, calculate the power factor.

A. 10
B. 20
C. 30
D. 40
Answer» B. 20
4.

If the power factor is 10 and the value of inductive reactance is 20 ohm, calculate the resistance in the circuit.

A. 1 ohm
B. 2 ohm
C. 3 ohm
D. 4 ohm
Answer» C. 3 ohm
5.

In a pure inductive circuit, the power factor is __________

A. Maximum
B. Minimum
C. 0
D. Infinity
Answer» D. Infinity
6.

If the current and voltage are 90 degrees out of phase, the power factor will be?

A. 0
B. Infinity
C. 1
D. Insufficient information provided
Answer» B. Infinity
7.

In an inductive circuit, when the XL value increases, the circuit power factor?

A. Increases
B. Decreases
C. Remains the same
D. Becomes zero
Answer» C. Remains the same
8.

In case of Inductive circuit, Frequency is ______________ to the current.

A. Directly proportional
B. Inversely proportional
C. Unrelated
D. Much greater than
Answer» C. Unrelated
9.

In case of Inductive circuit, Frequency is ______________ to the inductance.

A. Directly proportional
B. Inversely proportional
C. Unrelated
D. Much greater than
Answer» B. Inversely proportional