It is required to measure the true open circuit e.m.f. of a battery. The best device is________?
Correct answer
A. D.C. potentiometer
Explanation
The correct answer is D.C. potentiometer.
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Study 3,658 Electrical Engineering MCQs with correct answers and explanations.
Correct answer
A. D.C. potentiometer
Explanation
The correct answer is D.C. potentiometer.
Correct answer
C. 12 mA
Explanation
The correct answer is 12 mA.
Correct answer
B. suitability for passanger as well as freight service
Explanation
The correct answer is suitability for passanger as well as freight service.
Correct answer
B. Schrage motor
Explanation
The correct answer is Schrage motor.
Correct answer
B. less than 1
Explanation
The correct answer is less than 1.
Correct answer
D. resistance is low
Explanation
The correct answer is resistance is low.
Correct answer
A. 2 : 5
Explanation
The correct answer is 2 : 5.
Correct answer
D. all of the above
Explanation
The correct answer is all of the above.
Correct answer
B. The current through any one element is less than the source current
Explanation
The correct answer is The current through any one element is less than the source current.
Correct answer
D. both series and parallel combinations
Explanation
The correct answer is both series and parallel combinations.