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…
7 years ago
Physics
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…
7 years ago
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…
7 years ago
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…
7 years ago
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…
7 years ago
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…
7 years ago
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…
7 years ago
A current of 2 A is made to flow through a coil which has only one turn. The magnetic
A current of 2 A is made to flow through a coil which has only one turn. The magnetic field…
7 years ago
A metal rod of length l cuts across a uniform magnetic field B with a velocity v.
A metal rod of length l cuts across a uniform magnetic field B with a velocity v. If the resistance…
7 years ago
Two charged particles have charges and masses in the ratio 2:3 and 1:4 respectively.
Two charged particles have charges and masses in the ratio 2:3 and 1:4 respectively. If they enter a uniform magnetic…
7 years ago