Measurement and Instrumentation Kelvin’s double bridge is used to measure low resistance because there is no thermo electric emf. it has high sensitivity. effect of contact and lead resistance is eliminated. resistance variation due to temperature. there is no thermo electric emf. it has high sensitivity. effect of contact and lead resistance is eliminated. resistance variation due to temperature. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The expected value of the voltage across a resistor is 80 V, and the measured value is 79 V. What is the percentage error and relative accuracy of the measurement ? 1.25% & 98.75% 1.5% & 99% 1.25% & 98.25% 1.5% & 98.75% 1.25% & 98.75% 1.5% & 99% 1.25% & 98.25% 1.5% & 98.75% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Commonly used standard capacitor is Multiplate parallel plate type Electrostatic type Concentric cylindrical type Spherical type Multiplate parallel plate type Electrostatic type Concentric cylindrical type Spherical type ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation To increase Q factor of a coil, the wire should be thin. long. long and thin. thick. thin. long. long and thin. thick. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The absolute measurement of resistance is done by Lorenz method Bridge Method Rayleigh method Ohm’s law method Lorenz method Bridge Method Rayleigh method Ohm’s law method ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A moving coil permanent magnet instrument can be used as ______ by using a low resistance shunt. Voltmeter Ammeter Flux meter Ballastic galvanometer Voltmeter Ammeter Flux meter Ballastic galvanometer ANSWER DOWNLOAD EXAMIANS APP