How does a current-carrying solenoid behave?

What is meant by overloading of an electrical circuit? Explain two possible causes due to which overloading may occur in a household circuit. Explain one precaution that should be taken to avoid the overloading of a domestic electric circuit.

State the observation made by Oersted on the basis of his experiment with current carrying conductors.

Draw a diagram to show how a magnetic needle deflects when it is placed above or below a straight conductor carrying current,depending on the direction of the current in the conductor.

What is the role of a fuse used in series with an electrical appliance? Why should a fuse with a defined rating not be replaced by one with a larger rating?

Name the factors on which the force acting on a current-carrying conductor placed in a magnetic field depends.