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प्रश्न
Around 1830, who showed that an electric current can be induced in a closed coil exposed to a changing magnetic field?
विकल्प
Michael Faraday in England and Joseph Henry in the USA
Oersted and Ampere
Oersted in England and Ampere in the USA
Michael Faraday in the USA and Joseph Henry in England
MCQ
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उत्तर
Michael Faraday in England and Joseph Henry in the USA demonstrated induction around 1830. They showed that a changing magnetic field can induce current in a closed coil.
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