Categories > magnetism > Magnetic Equipment > A tangent galvanometer has a coil of 25 turns and radius of 15 cm. The horizontal component of the earth’s magnetic field is $3 \times 10^{–5} T$. The current required to produce a deflection of $45^o$ in it, is

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Question: A tangent galvanometer has a coil of 25 turns and radius of 15 cm. The horizontal component of the earth’s magnetic field is $3 \times 10^{–5} T$. The current required to produce a deflection of $45^o$ in it, is


1) $0.29 A$
2) $1.2 A$
3) $3.6 \times 10^{–5}$ A
4) $0.14 A$
Solution: Explanation: No Explanation
Magnetic Equipment

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