Delocalisation of Electrons

Q. A transformer always use a direct current (DC) supply.

1. True
2. False

Q.

How do you create a truth table?

Q. Choose the correct statements.

1. I and III
2. I and IV
3. II and III
4. II and IV

Q. If we take two woollen cloths and two similar balloons, and rub the woollen cloth on each of the balloons one by one, both the balloons will become .

1. oppositely charged
2. similarly charged
3. neutral

Q. Flow of produces a current in the wire.

1. protons
2. neutrons
3. electrons