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
zlopas [31]
3 years ago
9

An electric generator transforms mechanical energy into electrical energy. This process could be done by which of these?

Physics
2 answers:
Dimas [21]3 years ago
6 0

Answer:

its d

Explanation:

jeka57 [31]3 years ago
6 0

Answer:

D) Spinning a coil of wire near a large magnet.

Explanation:

From Faraday's law of induction, when a conducting coil of wire is placed in changing magnetic flux, an emf is induced which produces current in the coil.

Induced emf is given by:

e = -\frac{d\phi}{dt}

A generator is based on the same principle.

The mechanical energy of rotating coil is converted to electrical energy when current is induced. Thus, the correct option is D) Spinning a coil of wire near a large magnet.

You might be interested in
An air craft heads north at 320 km/hr relative to the wind. the wind velocity is 80km/hr from the north. find the relative veloc
Gnoma [55]

Answer:

Relative to the ground, the velocity of the aircraft is 240 km/hr

Explanation:

Relative velocity is different from normal velocity;

When 2 objects are moving in opposite directions towards each other, they will appear to be faster than they actually are;

This is known as the relative velocity;

The information tells us we have the aircraft moving 320 km/hr northwards relative to the wind;

The wind is in the opposite direction at 80 km/hr;

R = relative velocity of the aircraft

v = actual velocity of the aircraft

w = velocity of the wind

R = v + w

Note: if the wind was moving in the same direction, the formula would be R = v - w

320 = v + 80

v = 320 - 80

v = 240

The velocity relative to the ground is simply the actual velocity as the ground doesn't move;

So, relative to the ground, the velocity of the aircraft is simply 240 km/hr

7 0
3 years ago
A runner runs around the track consisting of two parallel lines 96 m long connected at the ends by two semi circles with a radiu
Zielflug [23.3K]
-0 m/s
- average velocity=displacement/time
- the runners displacement is zero so her average velocity must be zero
7 0
3 years ago
A little girl riding a train rolls a ball toward the back of the train at 1.25 m/s NE. The train is traveling at a velocity of 1
Lelechka [254]

Answer:

Answer: 2.70m/s NE

Explanation:

Just did it.

4 0
3 years ago
Why do cells undergo mitosis?
avanturin [10]
 <span>Cells undergo mitosis for three main reasons: 
-To repair and/or replace old or damaged cells. 
-During periods of cell and tissue growth 
-When the body needs exact replicas/copies of cells e.g. hair cells and blood cells.</span>
5 0
3 years ago
Read 2 more answers
If you have an effusive personality, then it __________ of you. motor oil will __________ across the gravel if it spills out of
erica [24]
The first answer in the blank is pours out of you, the second answer in the space provided is diffuse. It is because a person who has an effusive personality will likely pour out his or her emotions while the motor oil will likely diffuse if this has been spilled out of the can.
6 0
3 years ago
Other questions:
  • Discuss how a battery works
    7·1 answer
  • Zeros are never significant digits true or false
    14·2 answers
  • Martha was leaning out of the window on the second floor of her house and speaking to Steve. Suddenly, her glasses slipped from
    6·1 answer
  • An electron is moving northward in a magnetic field. The magnetic force on the electron is toward the northeast. What is the dir
    12·1 answer
  • PLEASE HELP In a bag are 7 red, 9 blue, 2 yellow and 4 green marbles. If you draw out a marble at random, what the probability t
    11·1 answer
  • An iceberg of density 920kg/m^3 floats in seawater of density 1025kg/m^3 with volume of 10^6m^3.What is the total mass of the ic
    13·1 answer
  • Which substance may lower air temperatures after a volcanic eruption?
    6·2 answers
  • Como se juega batminton?<br> Explica con tus propias palabras
    6·1 answer
  • A shot is projected at an angle of 55 to the horizontal with a velocity of of 10m/s. Calculate 1. the highest point reached 2. T
    9·1 answer
  • A sliver cylindrical rod has a length of 0.5 m and a radius of 0.4 m, find the density of the rod if it's mass is 2.640 kg
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!