Identify the device that normally operates on direct current (DC) supply.

PHYSICS · Single correct · CBSE · Physics · Electricity: Magnetic and Heating Effects · Electricity: Magnetic and Heating Effects

Problem

Identify the device that normally operates on direct current (DC) supply. (a) Mobile phone charger (plug-in adapter) (b) LED torch powered by batteries (c) Electric iron (d) LED bulb designed for 230 V mains

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