How much total energy is dissipated in 10. seconds

in a 4.0-ohm resistor with a current of

0.50 ampere?

(1) 2.5 J (3) 10. J

(2) 5.0 J (4) 20. J

Question

Physics

Sloane Hines

22 September, 21:56

How much total energy is dissipated in 10. seconds

in a 4.0-ohm resistor with a current of

0.50 ampere?

(1) 2.5 J (3) 10. J

(2) 5.0 J (4) 20. J

+2

Answers (1)

Know the Answer?

Valery Mitchell · Answer 1

The equation to use here for power dissipated across a component is P = I^2R

Substituting the values into the equation:

P = 4^2 x 0.5 = 16x0.5=8W

The unit for watts is joules per second, and we want energy dissipated over 10 seconds, so:

8x10=80

Therefore 80J of Energy is dissipated

How much total energy is dissipated in 10. secondsin a 4.0-ohm resistor with a current of0.50 ampere?(1) 2.5 J (3) 10. J(2) 5.0 J (4) 20. J

How much total energy is dissipated in 10. seconds

in a 4.0-ohm resistor with a current of

0.50 ampere?

(1) 2.5 J (3) 10. J

(2) 5.0 J (4) 20. J