A coil of tangent galvanometer having diameter 16 cm is set up in magnetic meridian. When current of 0.8 A is passed through the coil, the magnetic needle is deflected through 45°. Find the length of the wire in the coil. Also find the reduction factor of tangent galvanometer. (BH = 2 × 10¹5 Wb/m², μ = 47 × 10-7 Wb/Am).
A coil of tangent galvanometer having diameter 16 cm is set up in magnetic meridian. When current of 0.8 A is passed through the coil, the magnetic needle is deflected through 45°. Find the length of the wire in the coil. Also find the reduction factor of tangent galvanometer. (BH = 2 × 10¹5 Wb/m², μ = 47 × 10-7 Wb/Am).
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Transcribed Image Text:A coil of tangent galvanometer having
diameter 16 cm is set up in magnetic meridian.
When current of 0.8 A is passed through the
coil, the magnetic needle is deflected through
45°. Find the length of the wire in the coil.
Also find the reduction factor of tangent
galvanometer. (Bí = 2 × 10¹ Wb/m², µ₁ = 4π ×
10-7 Wb/Am).
H
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