Class 6th

What happens when clean distilled water is evaporated?

• Some salt is left behind.

• Some sand is left behind.

• Some sugar is left behind.

• Nothing is left behind

Nidhi connected two bulbs across two cells in a simple circuit. What should Nidhi do to make the bulbs glow dimmer?

A)Replace one cell with a piece of chalk

B)Replace one cell with a piece of wire

C)Replace one bulb with a piece of wire

D)Replace one bulb with another cell

• A

• B

• C

• D

What are the two places on a battery to which the wires can be attached called?

A)

Switches

B)

Filaments

C)

Terminals

D)

Insulators

• A

• B

• C

• D

What happens to a circuit when the switch is in the OFF position?

A)The circuit is complete.

B)There is a gap in the circuit.

C)Electricity flows continuously.

D)Electricity flows intermittently

• A

• B

• C

• D

Which components are required to make a simple electric circuit to light a bulb?

A)Wires and a switch

B)A cell and a switch

C)A bulb and wires

D)Wires, a cell, a bulb and a switch.

• A

• B

• C

• D

Why do electricians wear gloves made of rubber?

A)It is soft.

B)It is water proof.

C)It is an insulator.

D) It is inexpensive

• A

• B

• C

• D

The tiny coiled metal wire present inside the bulb is called____________.

(a) Element (b) Conductor (c) Filament (d) None of these

• A

• B

• C

• D

A combination of two or more electric cells is called___________.

(a) Electric circuit (b) Battery (c) Terminals (d) None of these

• A

• B

• C

• D

An electric bulb has ____________terminals.

(a) 3 (b) 4 (c) 1 (d) 2

• A

• B

• C

• D

---------- is an electric device which easily closes or opens an electric circuit.

(a) Filament (b) Electric bulb (c) Electric switch (d) Electric cell

• A

• B

• C

• D