Debanjana adhikari Asked a Question June 1, 2020 3:41 pm
30 pts - CSIR NET
- Physical Sciences
Q38. An infinite solenoid carries a time varying current 7(t)= A, with A*0. The axis of the solenoid is along the direction. f and 6 are the usual radial and polar directions in cylindrical polar coordinates. B= B+ B,0 + B_£ is the magnetic field at a point outside the solenoid. Which one of the following statements is true? (a) B =0, B, =0, B, = 0 (c) B, 0, B, 0, B, #0 (b) B, #0,B, +0, B = 0 (d) B, = 0, B, =0, B, + 0
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