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Magnetic Effect of Current — Physics STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 SciencePhysicsMagnetic Effect of Current1 Mark
Question

In ballistic galvanometer, the frame on which the coil is wound is non-metallic to

(a) Avoid the production of induced e.m.f.

(b) Avoid the production of eddy currents

(c) Increase the production of eddy currents

(d) Increase the production of induced e.m.f.
✓

Answer

(b) Avoid the production of eddy currents

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