Pick out the expression for magnetic field inside a toroid from the following. a) B = μ0 NI b) B = 2μ0 NI c) B = μoNI d) B =
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Pick out the expression for magnetic field inside a toroid from the following.
a) B = μ0 NI
b) B = 2μ0 NI
c) B = μoNI
d) B =
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