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Galina-37 [17]
3 years ago
13

The amperage changes on an electrical heater with a rise of temperature because

Physics
1 answer:
Nostrana [21]3 years ago
6 0
The electrical free path of electron is disturbed with vibrations not normal to normal / room temperature  because the electrical heater is agitating the conductor material. this causes the electrons to vibrate more creating more resistance to the flow.
You might be interested in
Plz Help me This is all my homework The one is orange is the ones i need help in
IrinaVladis [17]

Convection is the transfer of heat through a fluid

Conduction is the heat or electric current from one substance to another

Radiation is energy that radiated or transmitted

Ex: Convection- A pot of water is being boiled- the heat is being transferred to to the water

Ex2: Conduction- I have a plate filled with hot food- the heat from the food is being transferred to the plate, making the plate hot as well.

Ex3: Radiation- There is a dog by the fire place, the dog is being warmed- the heat from the fire is being transferred over to the dog

Hope this will help you with your homework :)

8 0
3 years ago
Read 2 more answers
Given a volume of 1000. Cm^3 of an ideal gas at 300 k, what volume would iy occupy at a temperature of 600 k
LUCKY_DIMON [66]

Answer:2000 cm³

Here, pressure remains constant.

So, b the gas law

V/V' = T/ T'

1000 / V' = 300 / 600

V' = 2000 cm³

Explanation:also pls mark brainliest

8 0
3 years ago
How does a sound wave transfer energy to your ears ?
horrorfan [7]

Answer:

A. Particles in air move in circles as the wave moves forward.

B. Particles in air move forward but not backward as the wave moves

forward.

C. Particles in air move up and down as the wave moves forward.

✔ D. Particles in air move forward and backward as the wave moves

forward.

Explanation:

The waves transfer energy from the source of the sound, e.g. a drum, to its surroundings. Your ear detects sound waves when vibrating air particles cause your ear drum to vibrate. The bigger the vibrations the louder the sound.

7 0
3 years ago
Read 2 more answers
Two objects of the same mass are on two different planets. Planet A has a force of gravity that is weaker than that of planet B.
iris [78.8K]
C) The weight of the object on planet A will be less than the weight of the object on planet B.


This happened because: when gravitational pull of a planet is weak, an object will weigh less as a result of less gravity forcing it down to the ground.
7 0
4 years ago
Find the acceleration that can result from a net force of 20 N exerted on a 2.8-kg
vladimir2022 [97]
Force=mass*acceleration
F=ma

20=2.8a

a=20/2.8

a=7.14 m/s^2
6 0
3 years ago
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