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Class 10 Science Medium Mcq English Medium

In the activity where a wire holding a wax-fixed pin is heated at one end, the pin eventually falls because

Question
In the activity where a wire holding a wax-fixed pin is heated at one end, the pin eventually falls because
Metals are poor conductors of heat
Metals are good conductors of heat, so heat travels along the wire and melts the wax
The wire itself melts
The pin is magnetic
Answer
Metals are good conductors of heat, so heat travels along the wire and melts the wax
Detailed Explanation
Heat travels along the metal wire (since metals are good conductors of heat), melting the wax and releasing the pin.
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