Question

Match the following with the correct pair.

• A. Safety device
• B. $Charge/Time$
• C. Heating effect

Answer 1

1. Electric current is defined as the flow of charge per unit time across the cross-setional area of a conductor.
2. Fuses are safety devices used to protect devices from excess current.
3. When electricity flow through the filament in an electric heater, the filament produces heat. Hence electric heater works on the principle of heating effect of electric current.