Question

17. Your teacher has shown you the following activity.
Activity: Teacher has wound a long insulated piece of wire around an
iron nail in the form of a coil. Free ends of the wire are connected to a
cell through a switch as shown in the Figure 14.3. The current is
switched on and some pins are placed near the ends of the nail. Write
down
any
three questions that come to your mind about this activity.
​

Answer 1

Answer: i things so it will to centre of your led

Explanation: