# NCERT Class VI Science Solutions: Chapter 12 – Electricity and Circuits Part 5 (For CBSE, ICSE, IAS, NET, NRA 2022)

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Question 20:

Boojho has a cell and a single piece of connecting wire. Without cutting the wire in two, will he be able to make the bulb glow? Explain with the help of a circuit diagram.

Yes, using the arrangement given below he can succeed in getting the bulb glow.

Question 21:

Fig, A and B, show a bulb connected to a cell in two different ways.

1. What will be the direction of the current through the bulb in both the cases? (Q to P or P to Q)
2. Will the bulb glow in both the cases?
3. Does the brightness of the glowing bulb depend on the direction of current through it?

1. In Fig. (1) Q to P

In Fig. (2) P to Q

1. Yes
2. No

Question 22:

Think of six activities which use electric current. Also name the devices used to perform the activity.

 Activity you perform Device

 Activity you perform Device Get light Torch Heat water Geyser/immersion rod Make toast Toaster Cook food Heater/microwave Listen to music CD player/radio/i-pod

Question 23:

A torch is not functioning, though contact points in the torch are in working condition. What can be the possible reasons for this? Mention any three.