Q.the radius of a circular coil having 20 turns is 15 cm.if a current of 60 amperes is flowing......
Asked by deepitapai | 25th Dec, 2008, 04:55: PM
Expert Answer:
Magnetic field at the centre of the coil is given by mu_0(I)/2r and for n turns it will be mu_0(I)(n)/2r
Substituting values given we get
= 4 pi x 10-7 (60)(20)/2(0.15)
Answered by | 3rd Jan, 2009, 09:36: AM
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