Question

what is the power dissipated by the parallel circuit shown below?
r1 is 100 ohms r2 is 100 ohms r3 is 100 ohms e= 40 v

Answer 1

There is no circuit shown below.

If all three resistors are in parallel, add V^2/R for each resistor to get the total power, with V = 40 v for each one.