Describe a simple experiment to show that an electric current produces a magnetic effect.
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an Electromagnet is a coil of wire wound on a soft iron core it behaves like a magnet electric current passes through this coil when the current is switched off it loses its magnetic property all most immediately. This shows that the electric current produces a magnetic effect
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professor Hans Christian oersted discovered that a wire carrying current was able to the deflect a magnetism needle which shows that electric current produces magnetic effect.
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