Question

A 20V battery allows 2A of current through a resistor. what is the current in the same resistor if a 12V battery is connected

Answer 1

Answer:

Given: V=12 V

I=2.5 mA

Let the resistance be R

By Ohm's Law,

V=IR

12=2.5×10

−3

R

R=4.8×10

3

Ω