Draw the pattern of the magnetic field lines around a current-carrying solenoid.

Question

(a) Draw the pattern of the magnetic field lines around a current-carrying solenoid.

(b) Mention two precautions that should be taken to avoid the overloading of domestic electric circuits.

Answer 1

(a) Diagram, direction of current , direction of field lines 

(b) 1. Do not connect too many devices in the same socket. 

2. Do not connect faulty appliances in the socket. 

3. Multiple high power consumption devices should not be connected at the same time.