Moving Charges and Magnetism questions
775 published questions with worked solutions.
- The sensitivity of a moving coil galvanometer increases with the decrease in
- The accuracy of M.C.G. can be increased by
- The voltage sensitivity of M.C.G. is given by
- Which of the following has NO effect on the sensitivity of moving coil galvanometer?
- The coil of galvanometer consists of 80 turns and effective area of 5 cm^2 . The restoring couple is 10^ -8 N m/radian. The...
- A galvanometer has a current sensitivity of 5 divisions per milliampere and voltage sensitivity of 1 division per millivolt. The...
- The coil of a galvanometer consists of 100 turns and effective area of 1 square cm. The restoring couple is 10^ -8 N-m/radian....
- A moving coil galvanometer has 28 turns and area of coil is 4 10^ -2 m^2 . If the magnetic field is 0.2 T then to increase the...
- Torsional constant of Al, Cu and Fe are 4 10^ -8 Nm/rad, 2 10^ -8 Nm/rad and 3 10^ -8 Nm/rad respectively. Which fibre will make...
- What is relation between voltage sensitivity sv and the current sensitivity s_1 of a moving coil galvanometer of resistance G?
- If a shunt of 1/10^ th of the coil resistance is applied to a moving coil galvanometer, its sensitivity becomes:
- A cyclotron is a device which is generally used to
- In a cyclotron, the charged particles cannot be accelerated upto
- In a cyclotron, the resonance condition is that the frequency of the charged particle is equal to
- In a cyclotron, the applied magnetic field
- In a cyclotron, the charged particle cannot be accelerated to energies of the order of billion electron volt because if the speed...
- Which one of the following particles cannot be accelerated by a cyclotron?
- A proton of energy E is moving in a circular path in a uniform magnetic field. The energy of an -particle moving in the same...
- A proton of energy 8 eV is moving in a circular path in a uniform magnetic field. The energy of an -particle moving in the same...
- A deuteron of kinetic energy 50 keV is describing a circular orbit of radius 0.5 m, in a plane perpendicular to magnetic field B....
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