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Write short notes on magnetic effects of electric current
Explain the formation and uses of battery.
Differentiate between electric current and electric circuit.
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.
Define electric circuit.
Write short notes on heating effects of electric current.
What are filaments of a bulb and a heater made up of?
Explain the function of cell in a circuit.
Can we use an electromagnet separating plastic bags from a garbage heap? Explain.
How fuses are useful?