Solution –
(a) At the ends, the polarity is as follows:
X is for south pole.
Y is for north pole.
(b) Increasing the current flow in the coil is one technique to improve the electromagnet’s strength.
Solution –
(a) At the ends, the polarity is as follows:
X is for south pole.
Y is for north pole.
(b) Increasing the current flow in the coil is one technique to improve the electromagnet’s strength.