- Electricity part 7 (Electric Current)
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Find the odd one out:
(i) Voltmeter, ammeter, galvanometer, thermometer.
(ii) Loudspeaker, bar magnet, electric motor, microphone.
Fill in the blank:
To increase the effective resistance in a circuit the resistors are connected in _____________.
When the resistance of a conductor increases, the current will ________ increase.
(b) remain the same
(c) become double
Draw the electrical symbols of the following components and state its use:
Rheostat (variable resistance)