Question

A clock radio is rated as 30 W of power output. If the radio also draws 30 W at 120 V, which will the current draw be?
0.25 A
4 A
3,600 A
0.5 A

Answer 1

@andreacastillol @Adi3

Answer 2

i dont know this answer

Answer 3

the electrical power is related to voltage and current through this formula:
\[\Large W = V \times I\]

Answer 4

so, we can write:
\[\Large I = \frac{W}{V} = \frac{{30}}{{120}} = ...?Amperes\]

Answer 5

it's .25

Answer 6

why am I tagged?