Measurement and Instrumentation Which of the following meter is most suitable for measuring radio frequency currents? Moving - coil meter. Thermocouple meter. VTVM. Moving - iron meter. Moving - coil meter. Thermocouple meter. VTVM. Moving - iron meter. 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 25.4. 20. 54.2. 31.4. 25.4. 20. 54.2. 31.4. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The EMF of Weston standard cell is measured using Moving- iron meter Moving-coil meter Digital Volt meter Potentiometer Moving- iron meter Moving-coil meter Digital Volt meter Potentiometer ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The disc of an instrument using eddy current damping should be of Conducting and non magnetic material Non conducting and magnetic material None of the listed here Conducting and magnetic material Conducting and non magnetic material Non conducting and magnetic material None of the listed here Conducting and magnetic material ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Wien bridge is useful for measuring Very high frequency Low frequency High frequency Medium frequency Very high frequency Low frequency High frequency Medium frequency ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Instrument transformers are Pottential transformers Power transformers Both current and potential transformers Current transformers Pottential transformers Power transformers Both current and potential transformers Current transformers ANSWER DOWNLOAD EXAMIANS APP
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