A long solenoid is formed by winding 70 turns cm -1 . If 2.0 A current flows, then the magnetic field produced inside the solenoid is _____________
( 
= 4 
x 10 -7 TmA -1 )
Text Solution
Verified by ExpertsThe correct answer is:
B
B = 
0 nI
= 
x l0 -7 x 70 x 10 2 x 2
= 176 x 10
-4 T
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