Measurement and Instrumentation A dynamometer wattmeter can be used for Both DC and AC AC only DC only Any of the listed here Both DC and AC AC only DC only Any of the listed here ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A ______ device prevents the oscillation of the moving statem and enables the latter to reach its final position quickly None of the listed here Damping Controlling Deflecting None of the listed here Damping Controlling Deflecting ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation When testing a coil having a resistance of 10 ohms, resonance occurred when the oscillator frequency was 10 MHz and rotating capacitor was set at 500/2π pF. The effective value of the Q of the coil is 31.4. 20. 54.2. 25.4. 31.4. 20. 54.2. 25.4. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A Manganin swap resistance is connected in series with a moving coil ammeter consisting of a milli ammeter and a suitable shunt in order to Minimize the effect of stray magnetic fields. Minimize the effect of temperature variation. Obtaine large deflecting torque. Reduce the size of the meter. Minimize the effect of stray magnetic fields. Minimize the effect of temperature variation. Obtaine large deflecting torque. Reduce the size of the meter. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The material of the shunt should have _______ temperature co-efficient of resistance. None of the listed here Negative Negligible Positive None of the listed here Negative Negligible Positive ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The inductance of a certain moving iron ammeter is expressed as L = 2+5θ-θ2 µH. The control spring torque is 2 × 10-6 Nm/radian. Find the deflection in radians for a current of 2A. 1 4 2 5 1 4 2 5 ANSWER DOWNLOAD EXAMIANS APP
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