Question

Choose the correct option: The magnetic field inside a long straight solenoid-carrying current. A) is zero B) decreases as we move towards its end C) increases as we move towards its end D) is the same at all points

Answer 1

Answer:

Is the same at all points

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Answer 2

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ᴅ) ɪs ᴛʜᴇ sᴀᴍᴇ ᴀᴛ ᴀʟʟ ᴘᴏɪɴᴛs.

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Tʜᴇ ᴍᴀɢɴᴇᴛɪᴄ ғɪᴇʟᴅ ɪɴsɪᴅᴇ ᴀ ʟᴏɴɢ sᴛʀᴀɪɢʜᴛ ᴄᴜʀʀᴇɴᴛ-ᴄᴀʀʀʏɪɴɢ sᴏʟᴇɴᴏɪᴅ ɪs ᴜɴɪғᴏʀᴍ ᴡʜɪᴄʜ ɪs ʀᴇᴘʀᴇsᴇɴᴛᴇᴅ ʙʏ ᴘᴀʀᴀʟʟᴇʟ ʟɪɴᴇs. Hᴇɴᴄᴇ, ᴛʜᴇ ᴍᴀɢɴᴇᴛɪᴄ ғɪᴇʟᴅ ɪɴsɪᴅᴇ ᴀ ʟᴏɴɢ sᴛʀᴀɪɢʜᴛ sᴏʟᴇɴᴏɪᴅ ᴄᴀʀʀʏɪɴɢ ᴄᴜʀʀᴇɴᴛ ɪs ᴛʜᴇ sᴀᴍᴇ ᴀᴛ ᴀʟʟ ᴘᴏɪɴᴛs.

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