All the distribution circuits for domestic purposes are parallel connections.

The magnetic field produced in a straight conducting wire on passing the current through it is ............ .

For a current in a long straight solenoid,$N-$ and $S-$ poles are created at the two ends. Among the following statements,the incorrect statement is:

Describe an experiment to demonstrate the force acting on a current-carrying conductor placed in a magnetic field.

$A$ magnetic compass shows a deflection when placed near a current-carrying wire. How will the deflection of the compass be affected if the current in the wire is increased? Support your answer with a reason.

$(a)$ Name two electrical appliances of daily use in which an electric motor is used.
$(b)$ Name and state the principle on which an electric motor works.