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Write short notes on magnetic effects of electric current
Explain the formation and uses of battery.
An electrician is carrying out some repairs in a building. He wants to replace a fuse by a piece of wire. Would you agree with the electrician? Give reasons for your response.
Differentiate between electric current and electric circuit.
Define electric circuit.
What are filaments of a bulb and a heater made up of?
Can we use an electromagnet separating plastic bags from a garbage heap? Explain.
Write short notes on heating effects of electric current.
How fuses are useful?
Explain the function of cell in a circuit.