Issac Physics HelpWatch
The circuit below the resistance of resistor R 1 is exactly 5 times larger than R 2. The work done in R 1 after a certain amount of time t is W 1 =10J.
Circuit diagram showing a battery of voltage V connected in parallel to two resistors of resistances R1 and R2.
Figure 1: Two resistors in parallel across a battery.
What is the value of W 2 the work done in R 2, after the same amount of time t? Give your answer to 2 significant figures.