Measurement and Instrumentation Alternating current is measured by Moving iron repulsion type voltmeter Induction ammeter Permanent magnet type ammeter Electrostatic ammeter Moving iron repulsion type voltmeter Induction ammeter Permanent magnet type ammeter Electrostatic ammeter ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A metal strain gauge has a gauge factor of two. Its nominal resistance is 120 ohms. If it undergoes a strain of 10-5, the value of change of resistance in response to the strain is 120 Ohm. 0.0024 Ohm. 0.0012 Ohm. 240 Ohm. 120 Ohm. 0.0024 Ohm. 0.0012 Ohm. 240 Ohm. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In a portable instrument , the controlling torque is provided by Eddy currents All of the listed here Gravity Spring Eddy currents All of the listed here Gravity Spring ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The range of a moving iron ac ammeter is extended by None of the listed here A multiplier A shunt Changing number of turns of operating coil None of the listed here A multiplier A shunt Changing number of turns of operating coil ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The coil of a moving iron instrument has a resistance of 500 ohm and inductance of 1 H. It reads 250 V when a 250 V DC is applied. It series resistance is 2000 ohms its reading when fed by 250 V, 50 Hz AC will be 248 V. 250 V. 252 V. 260 V. 248 V. 250 V. 252 V. 260 V. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The transfer instrument which is used for standardization of a polar type AC potentiometer is an electrostatic instrument. a dynamometer instrument. a moving coil instrument. a thermal instrument. an electrostatic instrument. a dynamometer instrument. a moving coil instrument. a thermal instrument. ANSWER DOWNLOAD EXAMIANS APP
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