Measurement and Instrumentation The pressure coil of a wattmeter should be connected on the supply side of the current coil when Supply voltage is low None of these Load impedance is high Load impedance is low Supply voltage is low None of these Load impedance is high Load impedance is low ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Commonly used standard capacitor is Electrostatic type Concentric cylindrical type Multiplate parallel plate type Spherical type Electrostatic type Concentric cylindrical type Multiplate parallel plate type Spherical type 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 240 Ohm. 0.0012 Ohm. 0.0024 Ohm. 120 Ohm. 240 Ohm. 0.0012 Ohm. 0.0024 Ohm. 120 Ohm. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A moving coil of a meter has 100 turns, and a length and depth of 10 mm and 20 mm respectively. It is postioned in a uniform radial flux density of 200 mT. The coil carries a current of 50 mA. The torque on the coil is 200 Nm. 100 Nm. 1 Nm. 2 Nm. 200 Nm. 100 Nm. 1 Nm. 2 Nm. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The absolute measurement of resistance is done by Ohm’s law method Bridge Method Rayleigh method Lorenz method Ohm’s law method Bridge Method Rayleigh method Lorenz method ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A 0 - 250V voltmeter has a guaranteed accuracy of 2% of full scale reading. What is the percentage of error if it measures 150V? 2% 3.33% 1% 5% 2% 3.33% 1% 5% ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS