Moving Charges and Magnetism questions
775 published questions with worked solutions.
- A current i ampere flows along an infinitely long straight thin walled tube. The magnetic induction at any point inside the tube...
- A long solenoid with 10 turns/cm and a radius of 7.0 cm carries a current of 20.0 mA. A current of 6.0 A exists in a straight...
- The current in the windings on a toroid is 2.0 A. There are 400 turns and the mean circumferential length is 40 cm. If the inside...
- A current of 10 A is flowing in a wire of length 1.5 m. A force of 15 N acts on it when it is placed in a uniform magnetic field...
- The magnetic field existing in a region is given by B=B_0 (1+ x l ) k. A square loop of edge l and carrying current i is placed...
- If a current is passed in a spring, it
- A long horizontally fixed wire carries a current of 100 A. Directly above and parallel to it is a fine wire that carries a...
- A square coil of edge L having n turns carries a current i. It is kept on a smooth horizontal plate. A uniform magnetic field B...
- A charge q moves with velocity v through electric field E as well as magnetic field B. Then, the force acting on it is [MHTCET...
- An electron moves in a circular orbit with uniform speed v. It produces a magnetic field B at the centre of the circle. The...
- Two parallel conductors carrying unequal currents in the same direction [MHTCET 2019]
- Torque acting on a rectangular coil carrying current i situated parallel to magnetic field of induction B, having number of turns...
- A circular coil of wire consisting of 100 turns each of radius 9 cm carries a current of 0.4 A. The magnitude of the magnetic...
- The magnitude of the magnetic induction at a point on the axis at a large distance r from the centre of a circular coil of n...
- Six very long insulated copper wires are bound together to form a cable. The currents carried by the wires are i_1=+10 A, i_2=-13...
- A circular coil carrying current i has radius R and magnetic field at the centre is B. At what distance from the centre along the...
- When a proton is released from rest in a room, it starts with an initial acceleration a_0 towards West. When it is projected...
- A current loop in a magnetic field [MHTCET 2013]
- Which of the following while in motion cannot be deflected by magnetic field? [MHTCET 2014]
- An electron is travelling along the x-direction. It encounters a magnetic field in the y-direction. Its subsequent motion will be...
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