Magnetic field lines are shown in the given diagram. $A$ student makes a statement that the magnetic field at $X$ is stronger than at $Y$. Justify this statement. Also,redraw the diagram and mark the direction of magnetic field lines.

On what factors does the force experienced by a current-carrying conductor placed in a uniform magnetic field depend?

$A$ student performs an experiment to study the magnetic effect of current around a current-carrying straight conductor with the help of a magnetic compass.
He reports that:
$(i)$ the degree of deflection of the magnetic compass increases when the compass is moved away from the conductor.
$(ii)$ the degree of deflection of the magnetic compass increases when the current through the conductor is increased.
Which of the above observations of the student appears to be wrong and why?

In which of the following cases will maximum electric current be induced in the loop?

In domestic electrical wiring,what is the red-colored insulated wire used for?

When a light,straight conducting wire is suspended perpendicular to a strong magnetic field and an electric current is passed through it,the magnetic force acting on it is proportional to which of the following?