Measurement and Instrumentation The disc of an instrument using eddy current damping should be of None of the listed here Conducting and non magnetic material Conducting and magnetic material Non conducting and magnetic material None of the listed here Conducting and non magnetic material Conducting and magnetic material Non conducting and magnetic material ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The resistance of a circuit is measured from the relation R= P/I2, where P is the power fed into the circuit and I is the current flowing through it. If the limiting errors in the measurement of power and current are respectively ± 1.0% and ± 1.0%, then what will be the limiting error in measurement of resistance ? ±0.5% ± 1.5% ±3.5% ± 3.0% ±0.5% ± 1.5% ±3.5% ± 3.0% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation To increase Q factor of a coil, the wire should be long and thin. thick. long. thin. long and thin. thick. long. thin. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Comparison methods are used because they are most simple. when a high accuracy of measurement is required. because they are expensive. because they take least time in measurement. because they are most simple. when a high accuracy of measurement is required. because they are expensive. because they take least time in measurement. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation How many fundamental units are there ? 6 7 4 8 6 7 4 8 ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In a CRO which of following is not a part of electron gun? Cathode Grid X-Y plates Accelerating anode Cathode Grid X-Y plates Accelerating anode ANSWER DOWNLOAD EXAMIANS APP