Moving Charges and Magnetism questions
775 published questions with worked solutions.
- The current in a wire is directed towards east and the wire is placed in magnetic field directed towards north. The force on the...
- A current carrying coil in a uniform magnetic field behaves like a
- When a conductor of length l carrying a current I is placed in a magnetic field of induction B at an angle with respect to B, the...
- The magnetic field at the centre of the current carrying coil
- A current carrying conductor placed in a uniform magnetic field, experience
- If a current flowing in a circular coil is in anticlockwise direction, then direction of magnetic field will be
- The magnetic field at a point due to a current carrying conductor is directly proportional to
- The direction of the magnetic field produced by a linear current is given by
- The radius and number of turns of a circular coil are doubled. The magnetic intensity at its centre will be
- Direction of force acting on a current carrying conductor ( L) in external magnetic field ( B) is
- A straight wire of length 0.5 m carrying a current of 1.6 ampere is placed in a uniform magnetic field of induction 2 T. If the...
- What is the magnetic field at a point 50 mm from a wire carrying a current of 3 A?
- The earth's magnetic induction at a certain point is 7 10^ -5 Wb ,m^ -2 . This field is to be annulled by the magnetic induction...
- A circular coil of radius 40 mm consists of 250 turns of wire in which the current is 20 mA. The magnetic field in the centre of...
- If the force acting on a charge moving in magnetic field is zero, the direction of motion charge is
- The radius and number of turns of a circular coil are doubled. The magnetic induction at its centre will be :
- An electric current passes through a straight wire. At a distance 5 cm from the wire the magnetic field is B. The field at 20 cm...
- A length L of a wire carries a steady current I. It is bent first to form circular plane coil of one turn. The same length is now...
- A circular coil of radius 2 R is carrying current I. The ratio of magnetic fields at the centre of coil and at a point at a...
- The magnetic field inside a solenoid is
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