Give two reasons why the earth pin in a three-pin plug is longer than the other pins.
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Teachers Of Physics Latest Questions
state the reason why current produced by a simple cell falls rapidly when the cell is being used.
Differentiate between Zener breakdown and Avalanche breakdown as used in electronics.
Why is it that the magnetic strength is high at the poles
Why is that when a bird lands on overhead electric wires it is not electrocuted but human being it is
Explain the purpose of the capacitor in an electric bell