What is Galvanometer?
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Answer:
- ɢᴀʟᴠᴀɴᴏᴍᴇᴛᴇʀ ɪs ᴀɴ ɪɴsᴛʀᴜᴍᴇɴᴛ ᴛʜᴀᴛ ᴄᴀɴ ᴅᴇᴛᴇᴄᴛ ᴀɴᴅ ᴍᴇᴀsᴜʀᴇ sᴍᴀʟʟ ᴀᴍᴏᴜɴᴛs ᴏғ ᴄᴜʀʀᴇɴᴛ ɪɴ ᴀɴ ᴇʟᴇᴄᴛʀɪᴄᴀʟ ᴄɪʀᴄᴜɪᴛ. ... ᴇssᴇɴᴛɪᴀʟʟʏ, ᴀ ɢᴀʟᴠᴀɴᴏᴍᴇᴛᴇʀ ᴄᴏɴsɪsᴛs ᴏғ sᴜᴄʜ ᴀ ɴᴇᴇᴅʟᴇ ᴀᴛᴛᴀᴄʜᴇᴅ ᴛᴏ ᴀ ᴄᴏɪʟ ᴍᴏᴜɴᴛᴇᴅ sᴏ ᴛʜᴀᴛ ᴛʜᴇ ᴄᴏɪʟ ɪs ᴀʟʟᴏᴡᴇᴅ ᴛᴏ ᴘɪᴠᴏᴛ ғʀᴇᴇʟʏ ᴡɪᴛʜɪɴ ᴀ ᴍᴀɢɴᴇᴛɪᴄ ғɪᴇʟᴅ ᴄʀᴇᴀᴛᴇᴅ ʙʏ ᴛʜᴇ ᴘᴏʟᴇs ᴏғ ᴏɴᴇ ᴏʀ ᴍᴏʀᴇ ᴘᴇʀᴍᴀɴᴇɴᴛ ᴍᴀɢɴᴇᴛs.
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Explanation:
A galvanometer is an electromechanical measuring instrument for electric current. Early galvanometers were uncalibrated, but improved versions, called ammeters, were calibrated and could measure the flow of current more precisely.
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