Solve previous year Question of iit jee
chapter :- magnetic effect of current
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The answer is option (a)
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Answer:
Option (a)
Explanation:
Given :- A circular coil "A" of radius "R", current "I"
magnetic field in circular coil "A" is B₁ = μ₀NI/2R
where, A circular coil "B" of radius "2R" , current '2I'
magnetic field in circular coil "B" B₂ = μ₀N2I / 2(R)
B₂ = μ₀NI/2R
B₁/B₂ = μ₀NI/2R / μ₀NI/2R = 1 Answer
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