alleryStart learning →A solenoid carrying 5 A has a field 6.28 x 10^-3 T. How many turns per metre does it have?
A500
B2000
C1000
D250
Answer & Solution
Correct answer: C. 1000
n = B/(mu0 i) = 6.28 x 10^-3/(4 pi x 10^-7 x 5) = 1000 turns per metre.
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