1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Kamila [148]
4 years ago
11

A voltage of 21.0V across the terminals of a device produces a current of 3.00 mA through the device. What is the resistance of

the device?
Physics
1 answer:
densk [106]4 years ago
8 0

Answer: 7,000 ohms

Explanation:

From the equation of ohms law V= IR

V=21 volt

I = 3 MA = 3.0×10^-3 A

So by evaluating, we have.

V= IR

21= 3.0×10^-3 × R

Then R = 21/3.0×10^-3

R= 7,000 ohms//.

You might be interested in
Does earths Roation causes gravity?​
gogolik [260]

Answer:

he gravity of Earth, denoted by g, is the net acceleration that is imparted to objects due to the combined effect of gravitation (from mass distribution within Earth) and the centrifugal force (from the Earth's rotation )

8 0
3 years ago
The time required for one cycle, a complete motion that returns to its starting point, is called the _____.
GenaCL600 [577]

Answer: the Time that is required is called a period

8 0
4 years ago
How does newtons law of the universal gravitation help scientist describe the universe
Afina-wow [57]
You need to know everything is made of atoms they are always colliding and they are never still because you'd think that every thing in space is still all the time even if it's not making visibly
5 0
3 years ago
Read 2 more answers
The velocity of Desmond’s car changes from 20 meters/second to 10 meters/second. The change happens in 5 seconds. What’s the acc
Sphinxa [80]
V-V₀=at
a=(V-V₀)/t
a=(10-20)/5=-2 m/s²
Acceleration of the car is -2 m/s²
8 0
4 years ago
Read 2 more answers
The weight of a body of certain mass become zero in space.why?<br>​
Nady [450]

Answer:

There is no force in space.

Explanation:

Weight is the gravitational force acting on the mass as in space there is no gravity so weight appeares as zero

3 0
4 years ago
Read 2 more answers
Other questions:
  • Zoe finds that the temperature of a substance is 12 degrees Celsius. What does this tell Zoe about the substance?
    13·2 answers
  • What is the bottom of the refrigerator called?
    10·1 answer
  • If a force is 100 N and is pointing 37 degrees north of east. (a) Draw a diagram of this force. (b) Draw the force's x and y com
    15·1 answer
  • Two power lines run parallel for a distance of 222 m and are separated by a distance of 40.0 cm. if the current in each of the t
    13·1 answer
  • The force required to start an object sliding across a uniform horizontal surface is larger than the force required to keep the
    5·1 answer
  • Ron fills a beaker with glycerin (n = 1.473) to a depth of 5.0 cm. if he looks straight down through the glycerin surface, he wi
    10·1 answer
  • 5. The volume of physical activity attained by an individual who exercises at a level of 7 METs for 35 min · day-1, 4 days · wk-
    10·1 answer
  • The person to introduce the idea of an atom was
    13·1 answer
  • Please I need help its timed-
    13·2 answers
  • An a.c. supply is connected to a wire stretched between the poles of a magnet. Which way does the wire move?​
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!