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Study 109 Electrical Engineering MCQs with correct answers and explanations.
Correct answer
D. reduce eddy current loss
Explanation
The correct answer is reduce eddy current loss.
Correct answer
A. depends upon the magnitude of R
Explanation
The correct answer is depends upon the magnitude of R.
Correct answer
C. 50 Hz
Explanation
The correct answer is 50 Hz.
Correct answer
B. 45
Explanation
The correct answer is 45.
Correct answer
D. 50 Hz
Explanation
The correct answer is 50 Hz.
Correct answer
D. 63% of maximum value
Explanation
The correct answer is 63% of maximum value.
Correct answer
C. both waves must have same frequency
Explanation
The correct answer is both waves must have same frequency.
Correct answer
A. rises to 63.2% of its final steady value
Explanation
The correct answer is rises to 63.2% of its final steady value.
Correct answer
B. at the time of turning on and off
Explanation
The correct answer is at the time of turning on and off.
Correct answer
B. square wave
Explanation
The correct answer is square wave.