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True [87]
3 years ago
11

Which of the following statements accurately describes work being done.

Physics
2 answers:
Vanyuwa [196]3 years ago
7 0

Answer:

Charge is moved off a capacitor

Explanation:

1) Charge is stored on a capacitor  

When charge is stored on the plates of the capacitor then in that case the energy is stored in form of electric field energy between the plates of the capacitor

2) Chemical energy is stored in a battery

Here the energy is stored in form of chemical energy which will be further converted into electrical energy.

3) Charge is moved off a capacitor  

When charge is moved from one plate to other plate then work is done against the electric field between the two plates

4) Electric energy is stored In a capacitor

This is the electric field energy stored between the plates of capacitor

So correct answer work work is being done is in

3) Charge is moved off a capacitor  

ivolga24 [154]3 years ago
4 0

Charge is moved of a capacitor

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A glass object receives a positive charge of +3 nC by rubbing it with a silk cloth. In the rubbing process have protons been add
AlladinOne [14]

Answer: A glass object receives a positive charge of +3 nC by rubbing it with a silk cloth. In the rubbing process electrons been removed from it.

Explanation:

It is known that for every atom the protons and neutrons reside in the nucleus of the atom. Whereas electrons move outside the nucleus of an atom. As a result, electrons are able to transfer more easily from one substance to another as compared to the protons.

This is because protons are tightly held by the nucleus of an atom. Whereas electrons are mobile in nature and hence, they can easily move.

Therefore, positive charge on the glass develops due to the removal of electrons from it.

thus, we can conclude that in the given process electrons been removed from the glass object.

8 0
2 years ago
An infrared (IR) and ultraviolet (UV) wave propagating through a vacuum must have the same____
Zinaida [17]

Answer:

D. Wavelength

Explanation:

An infrared (IR) and ultraviolet (UV) wave propagating through a vacuum must have the same wavelength.

3 0
2 years ago
An ion with charge of Q = +3.2 x 10-19 C is in a region where a uniform electric field of magnitude E = 5.0 X 105 V/m is perpend
san4es73 [151]

Answer:

option C

Explanation:

given,

Q = +3.2 x 10⁻¹⁹ C

E = 5.0 X 10⁵ V/m

B = 0.80 T

ion's acceleration is zero  

when acceleration is zero the magnitude of both the forces becomes equal.

q E = q V B

v = \dfrac{E}{B}

v= \dfrac{5 \times 10^5}{0.80}

v = 6.25 × 10⁵ m/s ≈ 6.3 × 10⁵ m/s

hence, the correct answer is option C

8 0
2 years ago
NASA developed a reflective foil barrier to help shield spacecraft from heat transfer in space. These reflective barriers are no
morpeh [17]

Answer: Radiation

Explanation: Radiation is the energy that comes from a source in form of electromagnetic waves, subatomic particles, light, or heat which travels through space.

Examples of radiation include the light, heat, and particles emitted from the Sun.

Using a foil barrier to prevent heat transfer is possible because foil has a silver color, and silver reflects light and heat instead of absorbing them. This is the opposite of black surfaces that absorb heat.

So in homes where these foil reflective barriers are used, the transfer of heat through Radiation is highly reduced.

3 0
2 years ago
What are some examples and non-examples of volume
Jlenok [28]

Answer:

Explanation:

Some correct non-examples are: A glass half-empty; Anything in two dimensions; The amount that covers something.

4 0
3 years ago
Read 2 more answers
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