Q.1. Fill in the blanks:(a) A device that is used to break an electric circuit is called........(b) An electric cell hasterminals.0.2. Mark True' or 'False' for following statements:(a) Electric current can flow through metals.(b) Instead of metal wires, a jute string can be used to make a circuit.(c) Electric current can pass through a sheet of thermo Col.Q.3. Explain why the bulb would not glow in the arrangement shown in Fig. 12.13.

Q.1. Fill in the blanks:(a) A device that is used to break an electric

1.	Q.1. Fill in the blanks:(a) A device that is used to break an electric circuit is called........(b) An electric cell hasterminals.0.2. Mark True' or 'False' for following statements:(a) Electric current can flow through metals.(b) Instead of metal wires, a jute string can be used to make a circuit.(c) Electric current can pass through a sheet of thermo Col.Q.3. Explain why the bulb would not glow in the arrangement shown in Fig. 12.13.
Answer» 1.a: Fuse breaks flow of electric current. 2.a : True. Yes current can flow through metals because of presence of free electrons. 2.b: False. Jute string is a non-metal and does not have any free ions and hence cannot conduct electricity. 2.c: True. Current flows through thermocol.