Measurement and Instrumentation To increase Q factor of a coil, the wire should be long. long and thin. thin. thick. long. long and thin. thin. thick. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A slide wire potentiometer has 10 wires of 1 m each. With the help of a standard voltage source of 1.018 V it is standardised by keeping the jockey at 101.8 cm. If the resistance of the potentiometer wires is 1000 ohm, then the value of the working current will be 0.5 mA. 10 mA. 1mA. 100 mA. 0.5 mA. 10 mA. 1mA. 100 mA. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The dynamometer principle can be used for wattmeter only. ammeter only. ammeter, voltmeter and wattmeter. voltmeter only. wattmeter only. ammeter only. ammeter, voltmeter and wattmeter. voltmeter only. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The electrical power to a megger is provided by Permanent magnet dc generator Ac generator Battery Any of the listed here Permanent magnet dc generator Ac generator Battery Any of the listed here ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation For measuring a very high resistance we should use Kelvin's double bridge None of the listed here Wheat stone bridge Megger Kelvin's double bridge None of the listed here Wheat stone bridge Megger 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. 31.4. 20. 54.2. 25.4. 31.4. 20. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS