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A current of 0.5 A prioduces a deflecti...

A current of 0.5 A prioduces a deflection of `45^(@)` in a tangent galvanometre. What current will produce a deflection of `30^(@)` in the same tangent galvanometer.

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SL ARORA-MAGNETISM-Based on (i) Earth s Magnetism (ii) magnetic field of a bar magnet
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  13. The true dip at a place is 30^(@) . What is the apparent dip when the ...

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  14. The values of the apparent angles of dip in two planes at right angles...

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  17. A long bar magnet has a pole strength of 10 Am. Find the magnetic fiel...

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