Which of the component represents the rheostat in the given circuit?

D

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E

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F

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A

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Solution

The correct option is C $F$
The component $F$ represents a rheostat in the given circuit. A rheostat is an electrical instrument used to control the current by varying the resistance. This is also called a variable resistor.
Other components are:
$A$ : Ammeter
$B$ : Electric Cell
$C$ : Closed switch
$D$ : Resistance
$E$ : Voltmeter

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Similar questions

Write symbols and state functions of each of the following components in an electric circuit:

(i) key, (ii) cell, (iii) rheostat, (iv) ammeter, and (v) voltmeter.

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