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.	The inductive reactance for an ac circuit containing only an inductor is \(\frac {E_0}{X_L}\).
A.	True
B.	False
Answer» C.

Discussion

2.	At what frequency will a coil, which has an inductance of 2.5 H, have a reactance of 3500 Ω?
A.	700Hz
B.	350 Hz
C.	200 Hz
D.	223 Hz
Answer» E.

Discussion

3.	The frequency of ac is doubled. How does XL get affected?
A.	XL gets doubled
B.	XL becomes zero
C.	XL is halved
D.	XL is indefinite
Answer» B. XL becomes zero

Discussion

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Explore topic-wise MCQs in Testing Subject.

The inductive reactance for an ac circuit containing only an inductor is \(\frac {E_0}{X_L}\).

At what frequency will a coil, which has an inductance of 2.5 H, have a reactance of 3500 Ω?

The frequency of ac is doubled. How does XL get affected?