Question

vi) x R A proton is moving in circle in a uniform magnetic field with a circular trajectory as shown. Draw the velocity vector for the proton on the diagram. (vii) The Northern Lights caused by (A) Magnetic lightning at the North Pole TBL Meteorites heating up in the Earth's magnetic field TQOscillating magnetic particles colliding with electrons (D)Charged particles moving parallel the Earth's magnetic field TESanta using LED's in his factory. ( Charged particles spiraling in the Earth's magnetic field (viii) Write True (T) or False (F) for each of the following 13 statements. (a) A proton is always deflected as it moves in a magnetic field............. (b) Electrons and protons moving with the same velocity at right angles through a magnetic field will experience the same magnitude of magnetic force. (c) Electrons and protons moving with the same velocity at right angles through a magnetic field will have circular orbits of the same radius........... (d) It is not possible for a charge to move through a combined magnetic and electric field without being deflected. (e) If the diameter of a solenoid is doubled the magnetic field at the center will increase. (1) An electric generator can be used as an electric motor........... (g) A stationary current carrying conductor placed in and at right angles to a magnetic field will experience no magnetic force..................... (h) An electric current can be generated by rotating a loop of wire in a magnetic field. (i) Ampere's Law is used to calculate the electric field close to a current carrying conductor. (1) Two parallel wires carrying current in opposite directions will repel each other. (k) The magnetic field inside a solenoid is inversely proportional the length of the solenoid. (1) A current can be generated by pulling a loop of wire into a magnetic field........ (m) If a piece of iron is placed in the center of a solenoid, the magnetic field will decrease Bee's (ix) A solenoid of length of 0.40m and cross-section area of 500cm? contains 1000 turns of wire carrying 4.10 A of current. What is the magnetic field generated at the center of the solenoid? (A) 3.2 x 10- T. (B) 6.3 x 103T 9.5 x 10-T (D) 11.4 x 10-T 129 MOANASADO 10-3 T Butiamo (C) 2.

Answer 1

Solutions (vilt (vit charged particles moving parallel the Earth's magnetic field Cuina @ Folse. It will not be deflected in J118 6 False. The Tove © False radius depends on mass also. 6- False Il both forces cancel each other then it is possible. False Independent of diameter - True. (9) - False True False Tove True Tove False (it)t L=0.40m, I = 4.10A, N-lood, A- 500 cm² B- MONI "Tx 10 x 1000 x 4.10 = 1.28x102T) 0140