Question

what is a solenoid ?​

Answer 1

☞ ᴀ sᴏʟᴇɴᴏɪᴅ ɪs ᴀ ᴛʏᴘᴇ ᴏғ ᴇʟᴇᴄᴛʀᴏᴍᴀɢɴᴇᴛ, ᴛʜᴇ ᴘᴜʀᴘᴏsᴇ ᴏғ ᴡʜɪᴄʜ ɪs ᴛᴏ ɢᴇɴᴇʀᴀᴛᴇ ᴀ ᴄᴏɴᴛʀᴏʟʟᴇᴅ ᴍᴀɢɴᴇᴛɪᴄ ғɪᴇʟᴅ ᴛʜʀᴏᴜɢʜ ᴀ ᴄᴏɪʟ ᴡᴏᴜɴᴅ ɪɴᴛᴏ ᴀ ᴛɪɢʜᴛʟʏ ᴘᴀᴄᴋᴇᴅ ʜᴇʟɪx. ᴛʜᴇ ᴄᴏɪʟ ᴄᴀɴ ʙᴇ ᴀʀʀᴀɴɢᴇᴅ ᴛᴏ ᴘʀᴏᴅᴜᴄᴇ ᴀ ᴜɴɪғᴏʀᴍ ᴍᴀɢɴᴇᴛɪᴄ ғɪᴇʟᴅ ɪɴ ᴀ ᴠᴏʟᴜᴍᴇ ᴏғ sᴘᴀᴄᴇ ᴡʜᴇɴ ᴀɴ ᴇʟᴇᴄᴛʀɪᴄ ᴄᴜʀʀᴇɴᴛ ɪs ᴘᴀssᴇᴅ ᴛʜʀᴏᴜɢʜ ɪᴛ.

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Answer 2

Explanation:

A 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.