An electric heater works on the
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Answer and explanation
Answer: A. heating effect of current
Current through a high-resistance coil produces heat.
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Class 8 · Science · Curiosity
4. Electricity: Magnetic and Heating Effects
An electromagnet is made by
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Answer and explanation
Answer: A. passing current through a coil wound on an iron core
It is a magnet only while current flows.
Open this question →The scientist who found that an electric current produces a magnetic field was
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Answer and explanation
Answer: A. Hans Christian Oersted
A compass needle moved near a current-carrying wire in Oersted's experiment.
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