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

Relax

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

Which interrogative pronoun best completes the sentence? How is the pronoun used? __________ shirts are still drying on the clothesline? A. Whom; obj
Which statement describes summer in the northern hemisphere The North Pole is tilted toward the sun The suns rays grow less direct The South Pole is tilted tow
Which sentence uses the italicized vocabulary word correctly? the words in caps are the italicized words.The INTRODUCTION for the essay got my attention right a
Mark the absolute maximum point of the graph
If you have 9 friends and make three equal teams, how many friends are on one team?
What do the temporal techniques relate to?
what is it name in english?​
Math help please!!!!!
The true false answers
Last math problem of the night! Help?? Will give extra points! ​