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. 54.2. 25.4. 20. 31.4. 54.2. 25.4. 20. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which meter is suitable for the measurement of 10mV at 50MHz? Moving iron voltmeter CRO Moving coil voltmeter VTVM Moving iron voltmeter CRO Moving coil voltmeter VTVM ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In a wheatstone bridge, a change of 6 Ω in the unknown arm of bridge is required to produce a change in deflection of 2.4 mm of the galvanometer. The sensitivity is 5.0 mm/Ω 0.8 mm/Ω 0.4 mm/Ω 2.5 mm/Ω 5.0 mm/Ω 0.8 mm/Ω 0.4 mm/Ω 2.5 mm/Ω ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The measurment of very low and very high frequencies is invariably done using a frequency counter in which one of the following? Frequency measurment modes only. Period and frequency measurement modes respectively. Period measurment modes only. Frequency and period measurment modes, respectively. Frequency measurment modes only. Period and frequency measurement modes respectively. Period measurment modes only. Frequency and period measurment modes, respectively. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Alternating current is measured by Electrostatic ammeter Permanent magnet type ammeter Induction ammeter Moving iron repulsion type voltmeter Electrostatic ammeter Permanent magnet type ammeter Induction ammeter Moving iron repulsion type voltmeter ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A mulliammeter can be used as Frequency meter Voltmeter and ammeter Wattmeter Ohmmeter Frequency meter Voltmeter and ammeter Wattmeter Ohmmeter ANSWER DOWNLOAD EXAMIANS APP
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