Measurement and Instrumentation What is the approximate input impedance of a CRO? 0 10 MΩ 1 MΩ 100 MΩ 0 10 MΩ 1 MΩ 100 MΩ ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The adjustment of position of shading bands, in an energy meter is done to provide None of the listed here Friction compensation Creep compensation Breaking torque None of the listed here Friction compensation Creep compensation Breaking torque ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The resistance of a circuit is measured from the relation R= P/I2, where P is the power fed into the circuit and I is the current flowing through it. If the limiting errors in the measurement of power and current are respectively ± 1.0% and ± 1.0%, then what will be the limiting error in measurement of resistance ? ±3.5% ± 1.5% ±0.5% ± 3.0% ±3.5% ± 1.5% ±0.5% ± 3.0% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A wheatstone bridge cannot be used for precision measurements because errors are introduced into on account of Resistance of connecting leads. Contact resistance. All of above. Thermoelectric emfs. Resistance of connecting leads. Contact resistance. All of above. Thermoelectric emfs. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Wagner earthing device is used to eliminate errors due to None of these Electromagnetic coupling Electrostatic coupling Both A and B None of these Electromagnetic coupling Electrostatic coupling Both A and B ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation To increase Q factor of a coil, the wire should be long. thin. long and thin. thick. long. thin. long and thin. thick. ANSWER DOWNLOAD EXAMIANS APP
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