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Magnetic Effect of Current — Physics STD 10 — Question

ICSE BoardEnglish MediumSTD 10PhysicsMagnetic Effect of Current3 Marks
Question
The diagram shows a current-carrying coil passing through a cardboard sheet. Draw three magnetic lines of force on the board.

State two factors on which magnitude of magnetic field at the centre depends.
✓

Answer

Figure shows the magnetic lines of force due to current-carrying coil.

The magnitude of the magnetic field at the center of coil depends on:
(i) the strength of the current in the coil, and
(ii) the radius of coil.

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