Measurement and Instrumentation Which instrument has identical calibration for ac as well as dc values? Induction type Moving iron type Hot wire type Moving coil type Induction type Moving iron type Hot wire type Moving coil type ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The internal resistance of a milli-ammeter must be very low for high sensitivity. high accuracy. minimum effect on the current in the circuit. high precision. high sensitivity. high accuracy. minimum effect on the current in the circuit. high precision. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation An ammeter of range 0-25 A has a guaranteed accuracy of 1% of full-scale reading. The current measured by the ammeter is 5 A. The limiting error in the reading is 3% 6% 5% 4% 3% 6% 5% 4% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The dynamometer principle can be used for ammeter only. wattmeter only. ammeter, voltmeter and wattmeter. voltmeter only. ammeter only. wattmeter only. ammeter, voltmeter and wattmeter. voltmeter only. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A CRO can display AC signals Time invariant signals Both AC and DC signals DC signals AC signals Time invariant signals Both AC and DC signals DC signals ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A moving coil permanent magnet instrument can be used as ______ by using a low resistance shunt. Flux meter Voltmeter Ammeter Ballastic galvanometer Flux meter Voltmeter Ammeter Ballastic galvanometer ANSWER DOWNLOAD EXAMIANS APP