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which of the following quantities does not change
Question:
Which of the following quantities does not change when a resistor connected to a battery is heated due to the current?
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Temperature affects motion, not the number of charge carriers.
BITSAT - 2010
BITSAT
Updated On:
Mar 18, 2026
Drift speed
Resistivity
Resistance
Number of free electrons
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Verified By Collegedunia
The Correct Option is
D
Solution and Explanation
Step 1:
Heating increases lattice vibrations.
Step 2:
Resistivity and resistance increase, drift speed changes.
Step 3:
Number of free electrons remains unchanged.
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