Circuits and Circuit Theory - Interview Questions | Exam2Win

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6. For the same peak value, which of the following wave has the least mean value ?

A. half wave rectified sine wave

B. triangular wave

C. sine wave

D. square wave

Explanation: ANSWER : : half wave rectified sine wave Explanation :

7. The period of a sine wave is _____ seconds. Its frequency is

A. 20 Hz

B. 30 Hz

C. 40 Hz

D. 50 Hz

Explanation: ANSWER : : 50 Hz Explanation :

8. The best place to install a capacitor is

A. very near to inductive load

B. across the terminals of the inductive load

C. far away from the inductive load

D. any where

Explanation: ANSWER : : across the terminals of the inductive load Explanation :

9. Capacitive reactance is more when

A. capacitance is less and frequency of supply is less

B. capacitance is less and frequency of supply is more

C. capacitance is more and frequency of supply is less

D. capacitance is more and frequency of supply is more

Explanation: ANSWER : : capacitance is less and frequency of supply is less Explanation :

10. The power consumed in a circuit element will be least when the phase difference between the current and voltage is

A. 180"

B. 90ï¿½

C. 60ï¿½

D. 0ï¿½

Explanation: ANSWER : : 90ï¿½ Explanation :