Measurement and Instrumentation Basically potential meter is a device for Comparing two currents Measuring a current Measuring a voltage Comparing two voltages Comparing two currents Measuring a current Measuring a voltage Comparing two voltages 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% 10% 8.33% 5% 6.67% 10% 8.33% 5% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Which one of the following meters has maximum loading effect on the circuit under measurement ? 100 Ω/volt 1 MΩ/volt 1000 Ω/volt 10 MΩ/volt 100 Ω/volt 1 MΩ/volt 1000 Ω/volt 10 MΩ/volt ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The resistance of a circuit is found by measuring current flowing and the power fed into the circuit. If the limiting errors in the measurement of power and current are ± 1.5% and ± 1.0% respectively, the limiting error in the measurement of resistance ± 2.5% ± 1% ± 1.5% ± 3.5% ± 2.5% ± 1% ± 1.5% ± 3.5% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation When a potentiometer is used for measurement of voltage of an unknown source, the power consumed in the circuit of the unknown source under null condition is high. ideally zero. small. very high. high. ideally zero. small. very high. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In a moving iron meter, the deflecting torque is proportional to Current through the coil Squareroot of the measurand Square of the current through the coil Sine of the measurand Current through the coil Squareroot of the measurand Square of the current through the coil Sine of the measurand ANSWER DOWNLOAD EXAMIANS APP
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