Moving Charges and Magnetism questions
775 published questions with worked solutions.
- A moving coil galvanometer has 150 equal divisions. Its current sensitivity is 10 divisions per milliampere and voltage...
- Two thin, long parallel wires separated by a distance 'd' carry a current of 'i' A in the same direction. They will
- Two concentric coils each of radius equal to 2 are placed at right angles to each other. 3 Ampere and 4 ampere are the currents...
- A uniform electric field and a uniform magnetic field are acting along the same direction in a certain region. If an electron is...
- A charged particle of mass m and charge q travels on a circular path of radius r that is perpendicular to a magnetic field B. The...
- A long solenoid has 200 turns per cm and carries a current i. The magnetic field at its centre is 6.28 10^ -2 Weber /m^2. Another...
- A long straight wire of radius ' a ' caries a steady current i. The current is uniformly distributed across its cross section....
- A current I flows along the length of an infinitely long, straight, thin walled pipe. Then
- A charged particle with charge q enters a region of constant, uniform and mutually orthogonal fields E and B with a velocity v...
- A charged particle moves through a magnetic field perpendicular to its direction. Then
- Two identical conducting wires AOB and COD are placed at right angles to each other. The wire AOB carries an electric current I_1...
- The dimension of magnetic field in M, L, T and C (Coulomb) is given as
- A horizontal overhead power line is at a height of 4 m from the ground and carries a current of 100 A from east to west. The...
- The magnitude of the magnetic field (B) due to loop ABCD at the origin (O) is
- Due to the presence of the current I_1 at the origin
- A current I flows in an infinitely long wire with cross section in the form of a semicircular ring of radius R. The magnitude of...
- In Kelvin’s method of finding the resistance of a galvanometer, we
- The charge in uniform motion, produces
- An electric charge e moves with a constant speed v parallel to the lines of force of a uniform magnetic field B, the force...
- The direction of force experienced by the current carrying conductor in a uniform magnetic field is given by
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