Measurement and Instrumentation The EMF of Weston standard cell is measured using Potentiometer Moving- iron meter Digital Volt meter Moving-coil meter Potentiometer Moving- iron meter Digital Volt meter Moving-coil meter ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The limiting errors of measurement of power consumed by and the current passing through a resistance are ±1.5% and ±1% respectively. What is the limiting error ( in %) of measurement of resistance ? ± 1.5% ± 1% ±3.5% ± 2.5% ± 1.5% ± 1% ±3.5% ± 2.5% 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? 5% 10% 8.33% 6.67% 5% 10% 8.33% 6.67% 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 small. ideally zero. high. very high. small. ideally zero. high. very high. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A dynamometer wattmeter can be used for AC only Any of the listed here Both DC and AC DC only AC only Any of the listed here Both DC and AC DC only ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The dynamometer principle can be used for ammeter only. wattmeter only. ammeter, voltmeter and wattmeter. voltmeter only. ammeter only. wattmeter only. ammeter, voltmeter and wattmeter. voltmeter only. ANSWER DOWNLOAD EXAMIANS APP
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