what is continuity
Answers
Answer:
Continuity is the presence of a complete path for current flow. A closed switch that is operational, for example, has continuity.
A continuity test is a quick check to see if a circuit is open or closed. Only a closed, complete circuit (one that is switched ON) has continuity.
During a continuity test, a digital multimeter sends a small current through the circuit to measure resistance in the circuit.
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ɪɴ ᴍᴀᴛʜᴇᴍᴀᴛɪᴄs, ᴀ ᴄᴏɴᴛɪɴᴜᴏᴜs ғᴜɴᴄᴛɪᴏɴ ɪs ᴀ ғᴜɴᴄᴛɪᴏɴ ᴛʜᴀᴛ ᴅᴏᴇs ɴᴏᴛ ʜᴀᴠᴇ ᴀɴʏ ᴀʙʀᴜᴘᴛ ᴄʜᴀɴɢᴇs ɪɴ ᴠᴀʟᴜᴇ, ᴋɴᴏᴡɴ ᴀs ᴅɪsᴄᴏɴᴛɪɴᴜɪᴛɪᴇs. ᴍᴏʀᴇ ᴘʀᴇᴄɪsᴇʟʏ, sᴜғғɪᴄɪᴇɴᴛʟʏ sᴍᴀʟʟ ᴄʜᴀɴɢᴇs ɪɴ ᴛʜᴇ ɪɴᴘᴜᴛ ᴏғ ᴀ ᴄᴏɴᴛɪɴᴜᴏᴜs ғᴜɴᴄᴛɪᴏɴ ʀᴇsᴜʟᴛ ɪɴ ᴀʀʙɪᴛʀᴀʀɪʟʏ sᴍᴀʟʟ ᴄʜᴀɴɢᴇs ɪɴ ɪᴛs ᴏᴜᴛᴘᴜᴛ. ɪғ ɴᴏᴛ ᴄᴏɴᴛɪɴᴜᴏᴜs, ᴀ ғᴜɴᴄᴛɪᴏɴ ɪs sᴀɪᴅ ᴛᴏ ʙᴇ ᴅɪsᴄᴏɴᴛɪɴᴜᴏᴜs. ᴜᴘ ᴜɴᴛɪʟ ᴛʜᴇ 19ᴛʜ ᴄᴇɴᴛᴜʀʏ, ᴍᴀᴛʜᴇᴍᴀᴛɪᴄɪᴀɴs ʟᴀʀɢᴇʟʏ ʀᴇʟɪᴇᴅ ᴏɴ ɪɴᴛᴜɪᴛɪᴠᴇ ɴᴏᴛɪᴏɴs ᴏғ ᴄᴏɴᴛɪɴᴜɪᴛʏ, ᴅᴜʀɪɴɢ ᴡʜɪᴄʜ ᴀᴛᴛᴇᴍᴘᴛs sᴜᴄʜ ᴀs ᴛʜᴇ ᴇᴘsɪʟᴏɴ–ᴅᴇʟᴛᴀ ᴅᴇғɪɴɪᴛɪᴏɴ ᴡᴇʀᴇ ᴍᴀᴅᴇ ᴛᴏ ғᴏʀᴍᴀʟɪᴢᴇ ɪᴛ.
ᴄᴏɴᴛɪɴᴜɪᴛʏ ᴏғ ғᴜɴᴄᴛɪᴏɴs ɪs ᴏɴᴇ ᴏғ ᴛʜᴇ ᴄᴏʀᴇ ᴄᴏɴᴄᴇᴘᴛs ᴏғ ᴛᴏᴘᴏʟᴏɢʏ, ᴡʜɪᴄʜ ɪs ᴛʀᴇᴀᴛᴇᴅ ɪɴ ғᴜʟʟ ɢᴇɴᴇʀᴀʟɪᴛʏ ʙᴇʟᴏᴡ. ᴛʜᴇ ɪɴᴛʀᴏᴅᴜᴄᴛᴏʀʏ ᴘᴏʀᴛɪᴏɴ ᴏғ ᴛʜɪs ᴀʀᴛɪᴄʟᴇ ғᴏᴄᴜsᴇs ᴏɴ ᴛʜᴇ sᴘᴇᴄɪᴀʟ ᴄᴀsᴇ ᴡʜᴇʀᴇ ᴛʜᴇ ɪɴᴘᴜᴛs ᴀɴᴅ ᴏᴜᴛᴘᴜᴛs ᴏғ ғᴜɴᴄᴛɪᴏɴs ᴀʀᴇ ʀᴇᴀʟ ɴᴜᴍʙᴇʀs. ᴀ sᴛʀᴏɴɢᴇʀ ғᴏʀᴍ ᴏғ ᴄᴏɴᴛɪɴᴜɪᴛʏ ɪs ᴜɴɪғᴏʀᴍ ᴄᴏɴᴛɪɴᴜɪᴛʏ. ɪɴ ᴀᴅᴅɪᴛɪᴏɴ, ᴛʜɪs ᴀʀᴛɪᴄʟᴇ ᴅɪsᴄᴜssᴇs ᴛʜᴇ ᴅᴇғɪɴɪᴛɪᴏɴ ғᴏʀ ᴛʜᴇ ᴍᴏʀᴇ ɢᴇɴᴇʀᴀʟ ᴄᴀsᴇ ᴏғ ғᴜɴᴄᴛɪᴏɴs ʙᴇᴛᴡᴇᴇɴ ᴛᴡᴏ ᴍᴇᴛʀɪᴄ sᴘᴀᴄᴇs. ɪɴ ᴏʀᴅᴇʀ ᴛʜᴇᴏʀʏ, ᴇsᴘᴇᴄɪᴀʟʟʏ ɪɴ ᴅᴏᴍᴀɪɴ ᴛʜᴇᴏʀʏ, ᴏɴᴇ ᴄᴏɴsɪᴅᴇʀs ᴀ ɴᴏᴛɪᴏɴ ᴏғ ᴄᴏɴᴛɪɴᴜɪᴛʏ ᴋɴᴏᴡɴ ᴀs sᴄᴏᴛᴛ ᴄᴏɴᴛɪɴᴜɪᴛʏ. ᴏᴛʜᴇʀ ғᴏʀᴍs ᴏғ ᴄᴏɴᴛɪɴᴜɪᴛʏ ᴅᴏ ᴇxɪsᴛ ʙᴜᴛ ᴛʜᴇʏ ᴀʀᴇ ɴᴏᴛ ᴅɪsᴄᴜssᴇᴅ ɪɴ ᴛʜɪs ᴀʀᴛɪᴄʟᴇ.
ᴀs ᴀɴ ᴇxᴀᴍᴘʟᴇ, ᴛʜᴇ ғᴜɴᴄᴛɪᴏɴ ʜ(ᴛ) ᴅᴇɴᴏᴛɪɴɢ ᴛʜᴇ ʜᴇɪɢʜᴛ ᴏғ ᴀ ɢʀᴏᴡɪɴɢ ғʟᴏᴡᴇʀ ᴀᴛ ᴛɪᴍᴇ ᴛ ᴡᴏᴜʟᴅ ʙᴇ ᴄᴏɴsɪᴅᴇʀᴇᴅ ᴄᴏɴᴛɪɴᴜᴏᴜs. ɪɴ ᴄᴏɴᴛʀᴀsᴛ, ᴛʜᴇ ғᴜɴᴄᴛɪᴏɴ ᴍ(ᴛ) ᴅᴇɴᴏᴛɪɴɢ ᴛʜᴇ ᴀᴍᴏᴜɴᴛ ᴏғ ᴍᴏɴᴇʏ ɪɴ ᴀ ʙᴀɴᴋ ᴀᴄᴄᴏᴜɴᴛ ᴀᴛ ᴛɪᴍᴇ ᴛ ᴡᴏᴜʟᴅ ʙᴇ ᴄᴏɴsɪᴅᴇʀᴇᴅ ᴅɪsᴄᴏɴᴛɪɴᴜᴏᴜs, sɪɴᴄᴇ ɪᴛ "ᴊᴜᴍᴘs" ᴀᴛ ᴇᴀᴄʜ ᴘᴏɪɴᴛ ɪɴ ᴛɪᴍᴇ ᴡʜᴇɴ ᴍᴏɴᴇʏ ɪs ᴅᴇᴘᴏsɪᴛᴇᴅ ᴏʀ ᴡɪᴛʜᴅʀᴀᴡɴ.
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