Tag: temperature and heat

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Questions Related to temperature and heat

Multiple choice physics temperature and heat heat and heat transfer transfer of heat fundamentals of heat transfer

If needle is burnt then the heat transfer through the whole length of needle is faster because:

  1. needle is a bad conductor of heat

  2. needle is a good conductor of heat

  3. needle is an insulator

  4. none of the above
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

If needle is burnt then the heat transfer through the whole length of needle is faster, because needle (metal), being a good conductor of heat, heat passes along the whole length by conduction, in which heat is transferred by one atom to another connected atom quickly.