Measurement and Instrumentation A DC A-h meter is rated for 15 A, 250 V. The meter constant is 14.4 A-sec/rev. The meter constant at rated voltage may be expressed as 3750 rev/KWh. 3600 rev/KWh. 1000 rev/KWh. 960 rev/KWh. 3750 rev/KWh. 3600 rev/KWh. 1000 rev/KWh. 960 rev/KWh. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A resistor of 10kΩhms with 5% tolerance is connected in parallel with a 5kΩhms resistor of 10% tolerance. What is the tolerance limit for the parallel network? 6.67% 8.33% 5% 10% 6.67% 8.33% 5% 10% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The scale of a rectifier instrument is None of the listed here Linear Either linear or non linear Non-linear None of the listed here Linear Either linear or non linear Non-linear 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 ? ± 3.0% ±0.5% ±3.5% ± 1.5% ± 3.0% ±0.5% ±3.5% ± 1.5% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Basically potential meter is a device for Comparing two voltages Measuring a voltage Comparing two currents Measuring a current Comparing two voltages Measuring a voltage Comparing two currents Measuring a current ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The terminals across the source are ______________________________ if a current source is to be neglected. replaced by a capacitor open circuited short circuited replaced by a source resistance replaced by a capacitor open circuited short circuited replaced by a source resistance ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS