The r.m.s. value of pure cosine function is________?
A0.707 of peak value
B0.5 of peak value
Csame as peak value
Dzero
Correct answer
A. 0.707 of peak value
Explanation
The correct answer is 0.707 of peak value.
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Study 109 Electrical Engineering MCQs with correct answers and explanations.
Correct answer
A. 0.707 of peak value
Explanation
The correct answer is 0.707 of peak value.
Correct answer
D. 141.4 V
Explanation
The correct answer is 141.4 V.
Correct answer
A. increases with increase of inductance and decrease of resistance
Explanation
The correct answer is increases with increase of inductance and decrease of resistance.
Correct answer
A. 10
Explanation
The correct answer is 10.
Correct answer
D. minimum
Explanation
The correct answer is minimum.
Correct answer
B. a purely capacitive circuit’s ability to pass current
Explanation
The correct answer is a purely capacitive circuit’s ability to pass current.
Correct answer
D. 0.1 s
Explanation
The correct answer is 0.1 s.
Correct answer
C. r.m.s. value is equal to average value
Explanation
The correct answer is r.m.s. value is equal to average value.
Correct answer
B. current is in phase with the voltage
Explanation
The correct answer is current is in phase with the voltage.
Correct answer
D. true power
Explanation
The correct answer is true power.