krisernine
krisernine krisernine
  • 21-09-2016
  • Mathematics
contestada

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?
A. 0.25 A
B. 4 A
C. 3,600 A
D. 0.5 A

Respuesta :

taskmasters
taskmasters taskmasters
  • 26-09-2016
Given:
power = 30 W
voltage = 120 V

Power = current * voltage
current = power / voltage

Current = 30 w / 120 v
Current = 1/4 or 0.25 A

The answer is Choice A. 0.25 A.
Answer Link

Otras preguntas

What is the correct answer answer asap
HELP NOW PLEASEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEE PLEASE
rne subtracted 6x3 2x find the difference. from -3.x3 + 4x - 7. Use the drop-down menus to identify the steps Lorne used (-3x' + 5x7,+ 4x - 7) + (-6x3 + 2x -3)
How was the Lowell system different from other ways of organizing labor in the textile industry? A. It allowed employees to complete each step of the production
Which expression can be used to an identity with [(sin)(sec)]^2 + 1?
could someone please help me with this ​
4.2v - 5 - 6.5v simplify the expression
what type of expression is 3+7-1/2
Which of the following is not a way for a leader to provide structure?
Maria expanded the following square as follows: (x+3)² =x²+9, is this correct?