Question

when resistance is doubled heat developed in a conductor is ______?​

Answer 1

Answer:

ʙᴇ ʜᴀʟᴠᴇᴅ

ᴡᴇ ᴋɴᴏᴡ ᴛʜᴀᴛ ʜᴇᴀᴛ ɢᴇɴᴇʀᴀᴛᴇᴅ ɪɴ ᴀ ᴄᴜʀʀᴇɴᴛ ᴄᴀʀʀʏɪɴɢ ᴄᴏɴᴅᴜᴄᴛᴏʀ ɪs ᴇxᴘʀᴇssᴇᴅ ᴀs:

ʜ=ɪ

2

ʀᴛ

ɴᴏᴡ, ᴠ=ɪʀ⇒ɪ=

ʀ

ᴠ

sᴏ, ʜ=

ʀ 2

ᴠ 2

×ʀ×ᴛ

ᴏʀ, ʜ=

ʀ

ᴠ 2

.ᴛ

ᴏʀ,

ᴛ

ʜ

=

ᴛ

ᴠ 2

= ʀᴀᴛᴇ ᴏғ ʜᴇᴀᴛ ɢᴇɴᴇʀᴀᴛɪᴏɴ

ɴᴏᴡ, ᴀs ᴘᴀʀ ɢɪᴠᴇɴ ᴄᴏɴᴅɪᴛɪᴏɴ, ᴠ ʀᴇᴍᴀɪɴs ᴜɴᴄʜᴀɴɢᴇᴅ.

sᴏ,

ᴛ

ʜ

∝

ʀ1

ᴛʜɪs ᴍᴇᴀɴs, ᴡʜᴇɴ ʀᴇsɪsᴛᴀɴᴄᴇ ɪs ᴅᴏᴜʙʟᴇᴅ, ʀᴀᴛᴇ ᴏғ ʜᴇᴀᴛ ɢᴇɴᴇʀᴀᴛɪᴏɴ ᴡɪʟʟ ʙᴇ ʜᴀʟᴠᴇᴅ.

Answer 2

when resistance is doubled heat developed in a conductor is be halved ?

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