Which of the following method is used for the speed control of DC shunt motor?
Correct answer
C. all of the above
Explanation
The correct answer is all of the above.
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Study 3,658 Electrical Engineering MCQs with correct answers and explanations.
Correct answer
C. all of the above
Explanation
The correct answer is all of the above.
Correct answer
C. 50 to 200 kV/mm
Explanation
The correct answer is 50 to 200 kV/mm.
Correct answer
A. Both conducts in either direction
Explanation
The correct answer is Both conducts in either direction.
Correct answer
D. 10
Explanation
The correct answer is 10.
Correct answer
D. Leclanche cell
Explanation
The correct answer is Leclanche cell.
Correct answer
D. wrought iron
Explanation
The correct answer is wrought iron.
Correct answer
B. Decreases
Explanation
The correct answer is Decreases.
Correct answer
B. series-parallel operation
Explanation
The correct answer is series-parallel operation.
Correct answer
B. a sinusoid of the same frequency
Explanation
The correct answer is a sinusoid of the same frequency.
Correct answer
A. The conductivity of ferromagnetic materials is better than ferrites
Explanation
The correct answer is The conductivity of ferromagnetic materials is better than ferrites.