a) What is a solenoid ?
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cylindrical coil of wire acting as a magnet when carrying electric current
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Ⱥ solenoid is a type of electromagnet, the purpose of which is to generate a controlled magnetic field through a coil wound into a tightly packed helix. The coil can be arranged to produce a uniform magnetic field in a volume of space when an electric current is passed through it.
Explanation:
įէ ʍąվ ҍҽ հҽӀքƒմӀ
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