Q.1: The path along which an electric current can flow is called as ‘__________’.
a) electric cell
b) electric circuit
c) electric battery
Q.2: Electric current flows from negative terminal to positive.
Q.3: Which of the following is/are the part of an electric circuit ?
a) connecting wires
Q.4: An electric bulb may get fused if its _________ is broken.
a) metal cap
Q.5: Our body is a _______ conductor of electricity.
Q.6: Which is not a preventive measure to avoid electric shocks ?
a) Never touch electric gadgets with dry hands.
b) Never touch electric poles on the toad.
c) Never repair electric gadgets without wearing rubber gloves.
Q.7: An electric _______ is a simple device to open or close an electric circuit.
Q.8: Filament is made up of ___________.
Q.9: When the electric circuit is __________, the bulb glows.
Q.10: A switch is also referred to as ‘_____’ in an electric circuit.
Q.11: Two or more cells connected end to end is called _________.
a) electric circuit
Q.12: An electric bulb has an outer case made up of _________.
Q.13: The metal tip at the centre of the base and metal casing at its lower end, acts as ____________ of the electric bulb.
Q.14: There are ________ metal strips in an electric torch.
Q.15: At the centre of the container of an electric cell, ________ rod is there.
Q.16: Which of these is an advantage of electric cell ?
a) They are perfectly unsafe.
b) They are lightweight and portable.
c) They are very costly.
Q.17: The zinc container of an electric cell acts as a ________ terminal.
Q.18: The carbon rod inside the electric cell is surrounded by the mixture of ________________ and ________________.
a) zinc and ammonium chloride
b) manganese dioxide and powdered charcoal
c) carbon and zinc oxide