Question

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Q54 An electron of mass 9 x 10^-31,
Kg moves in a circular path of radus 2 cm with a speed of 3 x 10 m/s namanyetic field. If a proton me 1B157715
were to move in a circular path of the same radius in the same field, lis speed would be
2
3
Ups: A
O 15 x 109 m/s
B. Oor 109 m/s
C 0 5 10² nils
D. 015: 103 m/s
Q55 Two concentric coils each of radnes 4 cm are placed at right angles to each other Find the magnetic nduction at the centre of the coil, fastents of 2 Ad
5 A respectively are fowing n the two coils.
(Taka magnetic per mezbility = 4 7 x 107T-mah)
05x 10-5 wb/in?
Ops:
& O9x 10-7 Wo/m2
C. O 12 x 10-7 Wb.
D. 06.5 x 10-5 wo/m2
HEWLETT-PACKARD
07
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Answer 1

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