Moving Charges and Magnetism questions
775 published questions with worked solutions.
- With a resistance 'X' connected in series with a galvanometer of resistance 100 , it acts as a voltmeter of range 0 - 15 V. To...
- A circular coil carrying current 'I' has a radius 'r' and 'n' turns. The magnetic field along the axis of a coil at a distance '2...
- The magnetic field intensity H at the centre of a long solenoid having n turns per unit length and carrying a current I, when no...
- Current I is carried in a wire of length ‘L’. If wire is bent into a circular coil of single turn, the maximum torque in a given...
- A long straight wire of radius ‘r’ carries a steady current ‘I’. The current is uniformly distributed over its cross-section. The...
- The value of the shunt resistance that allows 10% of the main current through the galvanometer of 99 is
- Lorenz magnetic force is acting on a particle of charge q moving with velocity V in a magnetic field B . The work done by this...
- Two wires of equal lengths are bent in the form of a square and a circular loop. They are suspended in a uniform magnetic field...
- When a resistance of 100 is connected in series with a galvanometer of resistance 'G', its range is 'V'. To double its range, a...
- A wire of length 'L' carries a current 'I'. If the wire is turned into a square coil of single turn, the maximum magnitude of the...
- A circular coil carrying current has radius 'R'. The distance from the centre of the coil on the axis where the magnetic...
- The velocity of certain ions that pass undeflected through crossed electric field E = 7.7kV/m and magnetic field B = 0.14 T is
- The magnetic force acting on charged particle of charge 2μC in magnetic field of 2T acting in y− direction, when the particle...
- A proton and a deuteron are both accelerated through the same potential difference and enter in a magnetic field perpendicular to...
- Currents of a 10 ampere and 2 ampere are passed through two parallel thin wires A and B respectively in opposite directions. Wire...
- This question has Statement 1 and Statement 2. Of the four choices given after the Statements, choose the one that best describes...
- Proton, Deuteron and alpha particle of the same kinetic energy are moving in circular trajectories in a constant magnetic field....
- This question has Statement I and Statement II. Of the four choices given after the Statements, choose the one that best...
- An electric current is flowing through a circular coil of radius R. The ratio of the magnetic field at the centre of the coil and...
- A current i is flowing in a straight conductor of length L. The magnetic induction at a point on its axis at a distance L4 from...
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