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

If the equation of a parabola is y = 9(x - 2)2 + v, and its vertex is (2, -4), what is the value of v in the equation?
The following table lists molar concentrations of seven major ions in seawater. Using a density of 1.022 g/mL for seawater, convert the concentrations for the t
Chang and Carlotta solve this problem in two different ways. You have $50 in your bank account. You make $8 per hour mowing lawns. How many hours mus
What happens when new information from an experiment produces results that partially support a theory?
un lindo restaurante
which of the following is a benefit of dams? A) They provide a source of energy B) They impede fish migration and spawning C) They divert water from ecosystem
help please and fast i will select brainliest
Which department was created in response to the acts of terrorism that occurred on september 11, 2001?
What do you think was the most immediate priority of black families in the south education or land to farm?
From what sources did the framers draw in writing the constitution?