Circuits and Circuit Theory - Interview Questions | Exam2Win

Take a timed mock test specifically for Circuits and Circuit Theory.

1. For the same peak value which of the following wave will 'have the highest r.m.s. value ?

A. square wave

B. half wave rectified sine wave

C. triangular wave

D. sine wave

Explanation: ANSWER : : square wave Explanation :

2. The phase difference between voltage and current wave through a circuit element is given as 30ï¿½. The essential condition is that

A. both waves must have same frequency

B. both waves must have identical peak values

C. both waves must have zero value at the same time

D. none of the above

Explanation: ANSWER : : both waves must have same frequency Explanation :

3. In a series resonant circuit, the impedance of the circuit is

A. minimum

B. maximum

C. zero

D. none of the above

Explanation: ANSWER : : minimum Explanation :

4. The peak value of a sine wave is 200 V. Its average value is

A. 127.4 V

B. 141.4 V

C. 282.8 V

D. 200V

Explanation: ANSWER : : 127.4 V Explanation :

5. The period of a wave is

A. the same as frequency

B. time required to complete one cycle

C. expressed in amperes

D. none of the above

Explanation: ANSWER : : time required to complete one cycle Explanation :