Measurement and Instrumentation A potentiometer may be used for All of the listed here Measurement of current Measurrment of resistance Calibration of ammeter All of the listed here Measurement of current Measurrment of resistance Calibration of ammeter ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation If the instrument is to have a wide range, the instrument should have Linear scale Exponential scale Logarithmic scale Square-law scale Linear scale Exponential scale Logarithmic scale Square-law scale ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The absolute measurement of resistance is done by Rayleigh method Lorenz method Ohm’s law method Bridge Method Rayleigh method Lorenz method Ohm’s law method Bridge Method 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 250 V. 248 V. 260 V. 252 V. 250 V. 248 V. 260 V. 252 V. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation When using ohmmeter, applied voltage is to be disconnected from the circuit because Current will decrease resistance Voltage source will increase resistance None of these The ohmmeter has its own internal battery Current will decrease resistance Voltage source will increase resistance None of these The ohmmeter has its own internal battery ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The meter constant of an energy meter is 1500 rev/kWh, the disc makes 3000 revolution in a given time. The energy consumed is 1 kWh 2 kWh 3 kWh 4 kWh 1 kWh 2 kWh 3 kWh 4 kWh ANSWER DOWNLOAD EXAMIANS APP
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