Measurement and Instrumentation Which of following voltmeters would you use for measuring voltage across 20KΩ resistance Voltmeter having sensitivity of 10 KW/V. Voltmeter having a resistance of 5 ΩK. Voltmeter having sensitivity of 1 KW/V. None of above. Voltmeter having sensitivity of 10 KW/V. Voltmeter having a resistance of 5 ΩK. Voltmeter having sensitivity of 1 KW/V. None of above. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The full-scale deflection current of an ammeter is 1 mA and its internal resistance is 100°hm. If this meter is to have full deflection at 5A, what is the value of the shunt resistance to be used? 2 Ohms 1/49.99 ohms 1 Ohm 49.99 Ohms 2 Ohms 1/49.99 ohms 1 Ohm 49.99 Ohms 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 54.2. 25.4. 20. 31.4. 54.2. 25.4. 20. 31.4. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Null type recorders are any one of the above. LVDT recorders. bridge recorders. potentiometric recorders. any one of the above. LVDT recorders. bridge recorders. potentiometric recorders. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A moving coil ammeter has a uniform scale with 50 division and gives a full scale reading 10 A. The instrument can read up to (1/5)th of a scale division with a fair degree of certainty. What is the resolution of the instrument in mA? 80 mA. 25 mA. 40 mA. 50 mA. 80 mA. 25 mA. 40 mA. 50 mA. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of following are needed both for protection and metering? Instrument transformer. Energy meter. Power factor meters. Wattmeters. Instrument transformer. Energy meter. Power factor meters. Wattmeters. ANSWER DOWNLOAD EXAMIANS APP