Q
A voltage of about 200 V can be measured__________________?
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A
A. Directly by a d.c. potentiometer
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B
B. A d.c. potentiometer in conjunction with a volt ratio box
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C
C. A d.c. potentiometer in conjunction with a known resistance
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D
D. None of the above
Correct Answer:
B. B. A d.c. potentiometer in conjunction with a volt ratio box