Explore topic-wise MCQs in Electrical Measurements.

This section includes 11 Mcqs, each offering curated multiple-choice questions to sharpen your Electrical Measurements knowledge and support exam preparation. Choose a topic below to get started.

1.

When a bridge is balanced?

A. no voltage drop across the circuit
B. power dissipation is high
C. temperature of the circuit is high
D. no current flows
Answer» E.
Discussion
2.

For capacitive impedances, the phase angle is _______

A. tangential
B. negative
C. positive
D. logarithmic
Answer» C. positive
Discussion
3.

Angular balance equation is given by which of the following relation?

A. θ1 × θ4 = θ2 × θ3
B. θ1 + θ4 = θ2 + θ3
C. θ2 + θ4 = θ1 + θ3
D. θ2 × θ4 = θ1 × θ3
Answer» C. θ2 + θ4 = θ1 + θ3
Discussion
4.

Bridge balance equation for magnitude is given by which of the following relation?

A. Z1 Z4 = Z2 Z3
B. Z1 Z2 = Z3 Z4
C. Z2 Z4 = Z1 Z3
D. Z1 Z3 = Z2 Z4
Answer» B. Z1 Z2 = Z3 Z4
Discussion
5.

When bridge is balanced?

A. no voltage drop across the circuit
B. power dissipation is high
C. temperature of the circuit is high
D. no current flows
Answer» E.
Discussion
6.

Bridge balance equation for magnitude in terms of admittances is given by the relation.

A. <span style="text-decoration:overline;">Y</span><sub>1</sub><span style="text-decoration:overline;">Y</span><sub>3</sub> = <span style="text-decoration:overline;">Y</span><sub>2</sub><span style="text-decoration:overline;">Y</span><sub>4</sub>
B. <span style="text-decoration:overline;">Y</span><sub>1</sub><span style="text-decoration:overline;">Y</span><sub>2</sub> = <span style="text-decoration:overline;">Y</span><sub>3</sub><span style="text-decoration:overline;">Y</span><sub>4</sub>
C. <span style="text-decoration:overline;">Y</span><sub>1</sub><span style="text-decoration:overline;">Y</span><sub>4</sub> = <span style="text-decoration:overline;">Y</span><sub>2</sub><span style="text-decoration:overline;">Y</span><sub>3</sub>
D. Y<sub>1</sub> Y<sub>3</sub> = Y<sub>2</sub> Y<sub>4</sub>
Answer» D. Y<sub>1</sub> Y<sub>3</sub> = Y<sub>2</sub> Y<sub>4</sub>
Discussion
7.

For inductive impedances, the phase angle is _______

A. positive
B. negative
C. zero
D. exponential
Answer» B. negative
Discussion
8.

Phase angle is based on _______

A. source
B. detector
C. power
D. impedance
Answer» E.
Discussion
9.

Bridge must be balanced for ________

A. magnitude
B. angle
C. magnitude and angle
D. power
Answer» D. power
Discussion
10.

Angular balance equation is given by the relation

A. θ<sub>1</sub> × θ<sub>4</sub> =θ<sub>2</sub> × θ<sub>3</sub>
B. θ<sub>1</sub> + θ<sub>4</sub> =θ<sub>2</sub> + θ<sub>3</sub>
C. θ<sub>2</sub> + θ<sub>4</sub> =θ<sub>1</sub> + θ<sub>3</sub>
D. θ<sub>2</sub> × θ<sub>4</sub> =θ<sub>1</sub> × θ<sub>3</sub>
Answer» C. ‚âà√≠‚Äö√†√®<sub>2</sub> + ‚âà√≠‚Äö√†√®<sub>4</sub> =‚âà√≠‚Äö√†√®<sub>1</sub> + ‚âà√≠‚Äö√†√®<sub>3</sub>
Discussion
11.

Bridge balance equation for magnitude is given by the relation

A. Z<sub>1</sub> Z<sub>4</sub> = Z<sub>2</sub> Z<sub>3</sub>
B. Z<sub>1</sub> Z<sub>2</sub> = Z<sub>3</sub> Z<sub>4</sub>
C. Z<sub>2</sub> Z<sub>4</sub> = Z<sub>1</sub> Z<sub>3</sub>
D. Z<sub>1</sub> Z<sub>3</sub> = Z<sub>2</sub> Z<sub>4</sub>
Answer» B. Z<sub>1</sub> Z<sub>2</sub> = Z<sub>3</sub> Z<sub>4</sub>
Discussion