Measurement and Instrumentation Potentiometer method of DC voltage measurement is more accurate than direct measurement using a voltmeter because It does not load the circuit at all. It loads the circuit to maximum extent. It loads the circuit moderately. It uses centre zero galvanometer instead of voltmeter. It does not load the circuit at all. It loads the circuit to maximum extent. It loads the circuit moderately. It uses centre zero galvanometer instead of voltmeter. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Induction wattmeter can measure Ac power only Dc power only None of the listed here Both AC and DC Ac power only Dc power only None of the listed here Both AC and DC ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In induction type ammeter, _____ damping is provided. Fluid friction Eaddy current None of the listed here Air friction Fluid friction Eaddy current None of the listed here Air friction ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Assertion (A): A hot wire ammeter has a cramped scale. Reason (R): The heat is proportional to square of current. Both A and R are true and R is correct explanation of A. Both A and R are true and R is not correct explanation of A. A is ture and R is false. A is false and R is ture. Both A and R are true and R is correct explanation of A. Both A and R are true and R is not correct explanation of A. A is ture and R is false. A is false and R is ture. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation ______ instruments are most sensitive. Permanent magnet moving coil Hot wire Moving iron Dynamometer Permanent magnet moving coil Hot wire Moving iron Dynamometer ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation When using ohmmeter, applied voltage is to be disconnected from the circuit because The ohmmeter has its own internal battery None of these Voltage source will increase resistance Current will decrease resistance The ohmmeter has its own internal battery None of these Voltage source will increase resistance Current will decrease resistance ANSWER DOWNLOAD EXAMIANS APP
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