Question
Explain the two effects of electric current along with their principles and uses.
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Answer
When an electric current flows through a wire, the wire gets heated. It is the heating effect of current or When current flows through a metal wire it gets heated up, this is called heating effect of current. e.g. a glowing electric bulb becomes warm. This effect has many applications like Electric Heater, Light Bulb etc. When an electric current flows through a wire, it produces magnetic effect around it. A current carrying coil of an insulated wire wrapped around a piece of iron is called an electromagnet. Magnetic Effect of electric current has many applications like Electric Bell, Motor, Fan etc.
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