Question

2.
What will happen to current passing through a resistance, if potential difference across it is
doubled and the resistance is halved
A. remains unchanged B. becomes double C. becomes half D. becomes four times
htoined on drawing the graph of current against potential difference.​

Answer 1

Answer:

Inew = 24 mA (Current is directly proportional to voltage; a doubling of the voltage will double the current. But current is also inversely proportional to the resistance; a doubling of the resistance will halve the current.

Answer 2

Answer:

becomes four times

Explanation:

By ohms V= l*R,. V- potential difference across the resistance. l- current passing through the resistance. R- resistance offered by the resistor. if the potential difference is doubled , then V becomes2v. if the resistance is halved , then R becomes R/2. if we substitute this in ohm's law , it becomes 2V =IR/2. 4V/R=I'