Question

Calculate the electrical energy transfered by a 5 Ampere current flowing through resistor of 2 ohms for 30 minutes?

Answer 1

Explanation:

I=5A

R=2ohm

t=30min=1/30hr

FROM,

$p = i {}^{2} r$

p=25×2 = 50W

Now , by

$e = p \times t$

e = 50×1/60

= 5/6

=0.83 Wh