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Higher Study | Electrical and Electronics Measurements | Measurement of Energy

In an energy meter, braking torque is produced to
A domestic energy meter disc moves slowly, even when main switch is off, the reason is-
An energy meter makes 100 revolutions of its disc per unit of energy. The number of revolutions made by the disc during one-hour when connected across 210 V source and drawing a current of 20 A at 0.8 pf leading is
The steady speed of the disc in the energy meter is achieved when
In an Energy meter, how is the shunt electromagnet connected in driving System?
What is the cost of operating a 1500 W heater two hours per day for a 20 day period? Assume the charge per kilowatt hour is Rs.4
What is the relation between the current flowing through the pressure coil and the supply voltage in an Energy meter?
A house has 4 kW connected loads and is fed by single phase supply. What range energy meter is recommended for the house?
What does the reading of the first dial on the right of a 4-dial watt-hour meter indicate?
In which category, the domestic energy meter falls
Which of the following devices are used for integrating instruments?
Induction type energy meter is coming under which of the following category?
Which one of the following is NOT a component of total variability of measured observations?
Electrolytic type of energy meter can work in which of the following circuits ?
Which of the following is used for alternating current measurement?
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