Moving Charges and Magnetism questions
775 published questions with worked solutions.
- A proton is to circulate the earth along the equator with a speed of 1 10^ 7 m/s. The minimum magnetic field which should be...
- Cyclotron is a device which is used to produce
- A proton and an alpha particle center in a uniform magnetic field with the. Same velocity. The period of rotation of the alpha...
- Two particles X and Y have equal charges. After being accelerated through the same potential differences they enter a region of...
- A uniform magnetic field acts at right angles to the direction of motion of electrons, as a result the electron moves in a...
- In a cyclotron the electric field between the dees is being reversed in 2.3 10^ -8 s. The cyclotron frequency will be
- A cyclotron in which flux density is 1.4 T is employed to accelerate protons. How rapidly Should the field between the dees be...
- An alpha particle of positive charge +2e is compelled to rotate along a circular path of radius r in a cyclotron with linear...
- In cyclotron, the applied magnetic field :
- The radius of curvature of the paths of charged particle in uniform magnetic induction is directly proportional to :
- A Voltmeter has a range 0-V with a series resistance R. With a series resistance 2R its range is 0-V'. The correct relation...
- A conductor 10 cm long remains suspended vertically below a long conductor carrying a at a distance of 5 cm. If the mass per unit...
- A square coil of side 10 cm consists of 20 turns and carries 12 A. The coil is suspended vertically and the normal to the plane...
- If a coil carrying an electric current is placed in a uniform magnetic field then
- The coil of a suspended coil galvanometer has a very high resistance, when a momentary current is passed through the coil, it
- A galvanometer may be converted into an ammeter or a voltmeter. In which of the following cases the resistance of the device so...
- A particle carrying a charge equal to 100 times the charge on an electron, is rotating per second in a circular path of radius...
- A rectangular coil of sides 8 cm and 4 cm having 2000 turns and carrying a current of 200 mA is placed in a uniform magnetic...
- Currents of 10 A and 2 A are passed through two parallel wires a and b respectively in opposite directions. If the wire a is...
- What shunt should be used in order to send (1/100)th part of main current through galvanometer? (given resistance of galvanometer...
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