The potential difference between the terminals of a resistor is 40 V when it draws a current of 3 A from the source. What current will the resistor draw if the potential difference is increased to 60 V?
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Explanation:
u see resistance will not change because it dependent on length and area of cross section.
V=IR
R=V/I
R=40/3 ohm
hence, resistance be same even if 60V IS TAKEN that is 40/3 ohm
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