Measurement and Instrumentation Alternating current is measured by Induction ammeter Electrostatic ammeter Moving iron repulsion type voltmeter Permanent magnet type ammeter Induction ammeter Electrostatic ammeter Moving iron repulsion type voltmeter Permanent magnet type ammeter ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The measurement of a quantity none of these. is a comparison of an unknown quantity with standard. is a comparison of an unknown quantity with known quantity. is a comparison of an unknown quantity with another quantity. none of these. is a comparison of an unknown quantity with standard. is a comparison of an unknown quantity with known quantity. is a comparison of an unknown quantity with another quantity. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The moving coil-meters, damping is provided by eddy current disk. damping vane in the airtight chamber. the coil spring attached to the moving. the aluminium frame of the coil. eddy current disk. damping vane in the airtight chamber. the coil spring attached to the moving. the aluminium frame of the coil. 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 voltmeter using thermocouple measures Average value. Peak to peak value. rms value. Peak value. Average value. Peak to peak value. rms value. Peak value. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Attraction and repulsion type instruments are the two different types of which instrument ? Multipliers. Induction type. Moving iron type. Dynamo-meter type. Multipliers. Induction type. Moving iron type. Dynamo-meter type. ANSWER DOWNLOAD EXAMIANS APP