Moving Charges and Magnetism questions
775 published questions with worked solutions.
- A long straight wire with a circular cross-section having radius R, is carrying a steady current I. The current I is uniformly...
- A velocity selector consists of electric field E = E k and magnetic field B = B j with B = 12 mT. The value of E required for an...
- A charge particle is moving in a uniform field (2 i + 3 j )T. If it has an acceleration of ( i - 4 j ) m/s^ 2 , then the value of...
- Two 10 cm long, straight wires, each carrying a current of 5 A are kept parallel to each other. If each wire experienced a force...
- A proton and an alpha particle of the same velocity enter in a uniform magnetic field which is acting perpendicular to their...
- A current of 1.5 A is flowing through a triangle, of side 9 cm each. The magnetic field at the centroid is : (Assume that the...
- A charge particle of 2 accelerated by a potential difference of 100 V enters a region of uniform magnetic field of magnitude 4 mT...
- A proton with a kinetic energy of 2.0 eV moves into a region of uniform magnetic field of magnitude 2 10^ -3 T. The angle between...
- An electron and a proton are moving on straight parallel paths with same velocity. They enter a semi-infinite region of uniform...
- Consider the motion of a positive point charge in a region where there are simultaneous uniform electric and magnetic fields E =...
- A particle of mass M and positive charge Q, moving with a constant velocity u_1 = 4 i ms^ -1 , enters a region of uniform static...
- A steady current I flows along an infinitely long hollow cylindrical conductor of radius R. This cylinder is placed coaxially...
- Two parallel wires in the plane of the paper are distance X_0 apart. A point charge is moving with speed u between the wires in...
- A galvanometer gives full scale deflection with 0.006 A current. By connecting it to a 4990 Ω resistance, it can be converted...
- Consider two identical galvanometers and two identical resistors with resistance R. If the internal resistance of the...
- Two infinitely long straight wires lie in the xy-plane along the lines x= R. The wire located at x=+R carries a constant current...
- A moving coil galvanometer has 50 turns and each turn has an area 2 10^ -4 m^2. The magnetic field produced by the magnet inside...
- Two identical moving coil galvanometers have 10 resistance and full scale deflection at 2 current. One of them is converted into...
- In a solenoid, the current flowing through the wire is I and number of turns per unit length is n. This gives a magnetic field B...
- Which one of the following statements about magnetic field lines is NOT correct ?
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