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A cell of emf ‘E’ and internal resistance ‘r’ draws a current ‘I’. Write the relation between terminal voltage ‘V’ in terms of E, I and r. |
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Answer» ᴛʜᴇ ᴇᴍғ ᴏғ ᴛʜᴇ ᴄᴇʟʟ ɪꜱ ᴇ ᴀɴᴅ ɪɴᴛᴇʀɴᴀʟ ʀᴇꜱɪꜱᴛᴀɴᴄᴇ ɪꜱ ʀ ᴡʜɪᴄʜ ᴅʀᴀᴡꜱ ᴀ ᴄᴜʀʀᴇɴᴛ ɪ. ᴛᴇʀᴍɪɴᴀʟ ᴠᴏʟᴛᴀɢᴇ ɪꜱ ᴛʜᴇ ᴏᴜᴛᴘᴜᴛ ᴠᴏʟᴛᴀɢᴇ ᴏғ ᴀ ᴅᴇᴠɪᴄᴇ ᴡʜɪᴄʜ ɪꜱ ᴍᴇᴀꜱᴜʀᴇᴅ ᴀᴄʀᴏꜱꜱ ɪᴛꜱ ᴛᴇʀᴍɪɴᴀʟꜱ. ... ᴛʜᴇ ᴇᴍғ ᴏғ ᴀ ᴄᴇʟʟ ɪꜱ ᴀʟᴡᴀʏꜱ ɢʀᴇᴀᴛᴇʀ ᴛʜᴀɴ ɪᴛꜱ ᴛᴇʀᴍɪɴᴀʟ ᴠᴏʟᴛᴀɢᴇ. |
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