magnetic effects of electric current — Science STD 10 — Question
Gujarat BoardEnglish MediumSTD 10Sciencemagnetic effects of electric current2 Marks
Question
Explain different ways to induce a current in a coil.
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Answer
$(1)$ A current can be induced in a coil by moving a magnet towards or away from it or by moving the coil towards or away from the magnet.
$(2)$ A current can be induced in a coil by changing the current in the coil placed near it.
$(3)$ A current can be induced in a coil by moving a coil properly in a non-uniform magnetic field or by changing a magnetic field around steady coil by some means.
$(4)$ A current can be induced in a coil by rotating it properly in a magnetic field or by rotating a magnet properly placed near the coil.
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