Magnetic Effects of Current and Magnetism

A wire of one metre length carries a constant current. The wire is bent to form

A wire of one metre length carries a constant current. The wire is bent to form a circular loop. The…

Two straight wires each 10cm long are parallel to one another and seperated by 2 cm.

Two straight wires each 10 cm long are parallel to one another and seperated by 2 cm. When the current…

A particle of mass m, charge Q and kinetic enery T enters a transverse

A particle of mass m, charge Q and kinetic enery T enters a transverse uniform magnetic field of induction B⃗.…

The magnetic lines of force inside a bar magnet

The magnetic lines of force inside a bar magnet Options (a) Are from south pole to north pole of the…

A long straight wire carrying current of 30A is placed in an external uniform

A long straight wire carrying current of 30A is placed in an external uniform magnetic field of induction 4 x…

The magnetic field at a point on the axis of a long solenoid having 5 turns per cm

The magnetic field at a point on the axis of a long solenoid having 5 turns per cm length when…

In a tangent galvanometer, a current of 0.1 A produces a deflection of 30⁰.

In a tangent galvanometer, a current of 0.1 A produces a deflection of 30⁰. The current required to produce a…

A wire in the form of a circular loop of one turn, carrying a current, produces

A wire in the form of a circular loop of one turn, carrying a current, produces a magnetic field B…

A long straight wire is carrying a current of 12 A. The magnetic field at a distance

A long straight wire is carrying a current of 12 A. The magnetic field at a distance of 8 cm…

In a mass spectrometer used for measuring the masses of ions, the ions

In a mass spectrometer used for measuring the masses of ions, the ions are initially accelerated by an electric potential…