Make a simple electirc circuit using three copper wires, a bulb and a battery as shown in the figure given alongside. Now, collect the following items-an iron nail, a copper key, a strip of aluminium foil and a piece of coal. Place each of the collected items, one by one, between the points A and B such that the circuit is closed. Read the questions below and try to answer them

What do you understand from this activity?

Explanation

(a) Yes
(b) Yes
(c) Yes
(d) No
(e) Metals are good conductor of electricity