Measurement and Instrumentation In figure Z1 = 200∠60° ohm. Z2 = 400∠-90° ohm, Z3 = 300∠0° ohm. Then Z4 for bridge to be balanced is 150∠30° ohm. 600∠-150° ohm. 300∠90° ohm. 400∠-90° ohm. 150∠30° ohm. 600∠-150° ohm. 300∠90° ohm. 400∠-90° ohm. 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 ? ±3.5% ± 1.5% ±0.5% ± 3.0% ±3.5% ± 1.5% ±0.5% ± 3.0% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Resistance of a VARISTOR varies with Both Voltage and Temperature Temperature Current Voltage Both Voltage and Temperature Temperature Current Voltage ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation What is the unit of plane angle? Radian Candela Steradian Degree Radian Candela Steradian Degree ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation For handling greater currents induction watt-meters are used in conjunction with Potential transformers Either of the above Power transformers Current transformers Potential transformers Either of the above Power transformers Current transformers ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The form factor in AC is the ratio of Peak value to rms value Rms value to average value Peak value to average value Rms value to peak value Peak value to rms value Rms value to average value Peak value to average value Rms value to peak value ANSWER DOWNLOAD EXAMIANS APP