Measurements and Instrumentation - Engineering

Q1:

Assertion (A): In loss of charge method, it is preferable to use an electronic voltmeter. Reason (R): The resistance of electronic voltmeter is very high.

A Both A and R are true and R is correct explanation of A

B Both A and R are true but R is not correct explanation of A

C A is true R is false

D A is false R is true

ANS:A - Both A and R are true and R is correct explanation of A

If resistance of voltmeter is not high, accuracy is affected.