Measurement and Instrumentation The EMF of Weston standard cell is measured using Moving-coil meter Moving- iron meter Digital Volt meter Potentiometer Moving-coil meter Moving- iron meter Digital Volt meter Potentiometer ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The errors mainly caused by human mistakes are instrumental error. systematic error. observational error. gross error. instrumental error. systematic error. observational error. gross error. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which of following is not correct? An electronic voltmeter draw appreciable current from the source. Voltmeter should have very high resistance. A shunt should have a very low resistance. An ammeter should have a very low resitance. An electronic voltmeter draw appreciable current from the source. Voltmeter should have very high resistance. A shunt should have a very low resistance. An ammeter should have a very low resitance. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The moving coil-meters, damping is provided by 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. eddy current disk. damping vane in the airtight chamber. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The difference between the measured value and the true value is called probable error absolute error gross error relative error probable error absolute error gross error relative error 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 10 mA. 100 mA. 1mA. 0.5 mA. 10 mA. 100 mA. 1mA. 0.5 mA. ANSWER DOWNLOAD EXAMIANS APP
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