Measurement and Instrumentation A high frequency AC signal is applied to a PMMC instrument. The RMS value of the AC signal is 2V, the reading of the instrument is Zero. 2V. 2√2V. √2V. Zero. 2V. 2√2V. √2V. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation An electrodynamic meter can be used to measure AC volatge. both AC and DC voltage. DC voltage. DC current. AC volatge. both AC and DC voltage. DC voltage. DC current. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The full-scale deflection current of an ammeter is 1 mA and its internal resistance is 100°hm. If this meter is to have full deflection at 5A, what is the value of the shunt resistance to be used? 49.99 Ohms 2 Ohms 1/49.99 ohms 1 Ohm 49.99 Ohms 2 Ohms 1/49.99 ohms 1 Ohm ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation PMMC type instruments normally use Fluid friction damping None of these Air friction damping Eddy current damping Fluid friction damping None of these Air friction damping Eddy current damping ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Resistance of a VARISTOR varies with Current Both Voltage and Temperature Voltage Temperature Current Both Voltage and Temperature Voltage Temperature ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A thermo couple ammeter gives full scale deflection of 10 A, when it reads one fifth of the scale, the current will be 4.47 A. 4 A. 2 A. 5.78 A. 4.47 A. 4 A. 2 A. 5.78 A. ANSWER DOWNLOAD EXAMIANS APP
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