Question

1.In a closed circuit, the direction of flow of electric current is
(a) from negative to positive terminal
(b) from positive to negative terminal
(c) in both the above directions
(d) None of the above
2. The part of electric current wasted while flowing through a circuit is
(a) sound energy
(b) chemical energy
(c) heat energy
(d) nuclear energy
3.Which of these appliances in your house is not run by electricity?
(a) computer
(b) Gas burner
(c) Music system
(d) Air conditioner
4. Which of these will generate electric current, when kept in sunlight but not when kept in the dark?
(a) Dry cell
(b) Car battery
(c) Solar cell
(d) Button cell
5. Which of the following controls the closing and opening of a circuit?
(a) Bulb
(b) Cell
(c) Switch
(d) None of these
6. The filament of an electric bulb is made up of this metal.
(a) iron
(b) Tungsten
(c) Copper
(d) All of these
7. The glass case of an electric bulb is filled with this gas.
(a)Oxygen
(b) Argon
(c) Nitrogen
(d) none of these
8. Which of the following is an insulator?
(a) Brass oppon
(b) Silver jewellery
(c) Steel spoon
(d) Plastic jug
10. Which of the following is a conductor of electricity?
(a) pure water
(b) Pencil lead
(c) Air
(d) None of these​

Answer 1

1 in both the above direction

2heat energy

3gas burner

4solar cell

5switch

6tungsten

7argon

8plastic jug

9none of these

Answer 2

Answer:

3) c, 4) c, 5)c ,6)b, 8)d, 10)a