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Answer 1

a. In an open circuit, the current passes from one terminal of electric cell to another.

b. Electric current cannot pass through a sheet of thermocol, as thermocol is an insulator.

c. When the circuit switch is off, no electricity will flow and then the circuit is called an open circuit. Electricity will not flow in open circuit.

d. The direction of an electric current is by convention the direction in which a positive charge would move. the current in the external circuit is directed away from the positive terminal and toward the negative terminal of the battery.

Answer 2

Answer:

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