Measurement and Instrumentation Kelvin’s double bridge is used to measure low resistance because resistance variation due to temperature. it has high sensitivity. there is no thermo electric emf. effect of contact and lead resistance is eliminated. resistance variation due to temperature. it has high sensitivity. there is no thermo electric emf. effect of contact and lead resistance is eliminated. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A CRO can display AC signals Both AC and DC signals DC signals Time invariant signals AC signals Both AC and DC signals DC signals Time invariant signals ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation When using ohmmeter, applied voltage is to be disconnected from the circuit because None of these Current will decrease resistance The ohmmeter has its own internal battery Voltage source will increase resistance None of these Current will decrease resistance The ohmmeter has its own internal battery Voltage source will increase resistance ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The difference between the measured value and the true value is called gross error absolute error probable error relative error gross error absolute error probable error relative error ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The moving coil-meters, damping is provided by the coil spring attached to the moving. the aluminium frame of the coil. damping vane in the airtight chamber. eddy current disk. the coil spring attached to the moving. the aluminium frame of the coil. damping vane in the airtight chamber. eddy current disk. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The two pressure coils of a single phase power factor meter have The same dimension but different number of turns The same number of turns but different dimensions None of these The same dimensions and the same number of turns The same dimension but different number of turns The same number of turns but different dimensions None of these The same dimensions and the same number of turns ANSWER DOWNLOAD EXAMIANS APP
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