Induction type single phase energy meters measure electric energy in
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Wrong!
Most common from A. C meters met with in every day domestic and industrial installations are
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Which of the following meters are not used on D.C circuits
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Which of the following is an essential part of a motors meter?
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A potentiometer may be used for
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Is an instrument which measure the insulation resistance of an electric circuit relative to earth and one another
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Wrong!
THE household energy meters is?
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Wrong!
The household energy meters is?
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The pointer of an indicating instrument should be? .
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The chemical effect of current is used in
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In majority of instruments damping is provided by..
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An ammeters is a .
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In a portable instrument, the controlling torque is provide by
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The disc of an instrument using eddy current damping should be of
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The switch board instruments
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The function of shunt in an ammeters is to
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Wrong!
digital assistant online exam 2