What do you mean by the magnetic effect of electric current? Draw circuit of an electric bell?
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The term 'magnetic effect of electric current' means that an electric current flowing in a wire produces a magnetic field around it . ... Magnetic field is a quantity that has both magnitude and direction ; as such it is a vector quantity
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When we press the switch, the electric circuit of the bell is completed and a current passes through the coil of the electromagnet and it gets magnetised. The electromagnet attracts the iron armature towards itself. ... The electromagnet loses its magnetism for a moment and the armature is no longer attracted by it.
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