EXAMIANS
The thermocouple instrument will measure
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Which of following is a vector quantity?
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A DC potentiometer is the best means available for the measurement of DC voltage because
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In two wattmeter method of power measurement if the total power is measured by one wattmeter only then power factor of the system is
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Which of the quantity consists of SI unit as Candela?
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The measurment of very low and very high frequencies is invariably done using a frequency counter in which one of the following?
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A Manganin swap resistance is connected in series with a moving coil ammeter consisting of a milli ammeter and a suitable shunt in order to
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The coil of a moving iron instrument has a resistance of 500 ohm and inductance of 1 H. It reads 250 V when a 250 V DC is applied. It series resistance is 2000 ohms its reading when fed by 250 V, 50 Hz AC will be
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The meter constant of an energy meter is 1500 rev/kWh, the disc makes 3000 revolution in a given time. The energy consumed is
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Magnetic deflection is inversely proportional to
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