Q. What is the condition for using a multiplier in A.C. voltmeters?

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Q. What is the current transformer?

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Q. What is the potential transformer?

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Q. C.T. and P.T. are used for _________

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Q. The primary winding of a C.T. has _________

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Q. The secondary winding of a C.T. has _________

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Q. Turns ration for a C.T. is _________

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Q. The primary winding of a P.T. has _________

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Q. The secondary winding of a P.T. has _________

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Q. Instrument transformers can be easily replaced.

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Q. Instrument transformers provide _________

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Q. Instrument transformers give same readings irrespective of number of other instruments connected.

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Q. C.T. and P.T. are standardized at _________

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Q. A 5A ammeter can measure a current of upto 1000 A using a _________

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Q. A 110V voltmeter can measure a voltage of upto 110kV using a _________

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Q. How can the meter circuit be isolated from the power circuit?

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Q. How are instrument transformers different from shunts and multipliers?

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Q. Transformation ratio of an instrument is defined as ____________

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Q. For a C.T. the transformation ratio is given by which of the following relation?

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Q. For a P.T. the transformation ratio is given by which of the following relation?

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