The correct option is a) halved
Therefore,
Current through the resistor will be halved i.e
Explanation:
Given:
V = Voltage potential Difference constant
R' = 2R
To Find:
Current, I' = ? when R' = 2R
Solution:
Ohm's law:
Ohm's law states that the current through a conductor between two points is directly proportional to the voltage across the two points.
Ohm's law given as
Substituting the R' = 2R , new current we get
Therefore,
Current through the resistor will be halved i.e
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B