kelsiwilson9 kelsiwilson9
  • 03-06-2021
  • Physics
contestada

An electric drill at 400 W is connected to 120 V power line. What is the resistance of the drill?

Respuesta :

VestaHofman VestaHofman
  • 14-06-2021

Answer:

36 ohm

Explanation:

Given :

P=400 W

V=120V

Now,

[tex]P=\frac{V^{2} }{R} \\400=\frac{120^{2} }{R} \\400R=14400\\R=\frac{14400}{400} \\R=36 ohm[/tex]

Therefore, resistance of the drill will be 36 ohm

Answer Link

Otras preguntas

Bob wants to give Alice a necklace of n beads he originally has a long chain with caring beauty. Of each bead
Pls how can I write an email ​
ways to reduce necluar weapons​
17. Your friend is betting on a game in which the probability of winning is 1 in 5. He has lost 5 games in a row, so he says he will double his bet on the next
give two examples of contact force and non contact force
Explain the wife's inductive reasoning for determining her husband's level of safety at work. Premise 1: The wife assumes that her husband works a desk job. Pre
Assume that 900 births are randomly selected and 4 at the births are girls. Use subjective judgment to describe the number of girls as significantly high, signi
100 PTS+BRAINILIEST: Why does it get colder as you go higher through the atmosphere, if you are getting closer to the sun??
william used 15 cm of tape to wrap 3 presents, Find the length of tape to wrap for 1 present?
Bob wants to give Alice a necklace of n beads he originally has a long chain with caring beauty. Of each bead