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Measurements and Instrumentation

Q1:

A voltage of about 200 V dc can be measured

A directly by dc potentiometer

B by dc potentiometer in conjunction with a volt ratio box

C a dc potentiometer in conjunction with a known resistance

D both (b) and (c)

ANS:B - by dc potentiometer in conjunction with a volt ratio box

DC potentiometer used for low voltage about 1.8v.



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