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Q. |
A voltage of about 200 V can be measured |
A. | directly by a D.C. potentiometer |
B. | a D.C. potentiometer in conjunction with a volt ratio box |
C. | a D.C. potentiometer in conjunction with a known resistance |
D. | none of the above |
Answer» B. a D.C. potentiometer in conjunction with a volt ratio box |
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