For the presence of a current in the circuit we use , and it is always connected with the circuit.

galvanometer

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thermometer

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in series

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in parallel

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Solution

The correct options are
A galvanometer
C in series
Galvanometer is an instrument which is used to measure the small quantity of electric currents. since, we have to measure the current in the circuit directly we connect it in series with the circuit.

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Similar questions

The electrical gadgets used in a house such as bulbs, fans, heater, etc., are always connected in parallel, NOT in series.

The reason for connecting them in parallel is:

Why is a voltmeter always connected in a parallel manner with the circuit? Explain

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