What is the effect on null deflection of galvanometer, when the radius of the wire is tripled? a) No change b) Becomes half c) Reduces by 13 d) Thrice the original value

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Q: he S.I unit of magnetic field is

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A: Note :-Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the…

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A: A

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A: Given: mass of alpha particle = 6.68 × 10-27 Kg charge = 3.2 × 10-19 C  B = 1.25 T

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