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sukhopar [10]
3 years ago
15

The unit for measuring electric power is the A. volt. B. ampere. C. watt. D. ohm.

Physics
1 answer:
Marizza181 [45]3 years ago
3 0

Answer:

(C) Watt

Explanation:

The unity of power is watt

Power is nothing but the rate of change of energy with respect to time

So power is given by P=\frac{W}{t}, here W is work done and t is time

We know that unit of work done is joule and unit of time is sec

So unit of power is J/sec which is called watt

So option (c) will be correct option

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Which list places the layers of the sun in the correct order from innermost to outermost?
LiRa [457]

Answer:

Convective zone, chromosphere, corona

Explanation:

A star like the Sun is divided into different layers according to pressure, density, temperature, and the mechanics of energy transport (in the case of the convective zone and radiative zone) for each of those layers.

In stars, there is an equilibrium between two forces, the force of gravity in the inward direction due to their own mass and the radiation pressure in the upward direction as a consequence of the nuclear reaction in their core, that is known as hydrostatic equilibrium.

That leads to different layers according with the properties described above.    

       

Near the core, in the Sun, there is a radiative zone since radiation is the best mechanism of energy transport in this area. Then, in the next layer, it can be found that convection becomes a more efficient way of energy transport that radiation due to the fact that the inner part of the convection zone is at a greater temperature than the outer one.    

Finally, there is the atmosphere of the Sun (chromosphere, photosphere, and corona).

                                       

Key terms:        

Convection: Transport of energy due to different in density and temperature of a material (liquid, gas).    

     

4 0
4 years ago
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yaroslaw [1]

Answer:

Environmental Science: Your World, Your Turn provides just the right depth ... Enduring Understanding: We can use science to study and understand the ... interactions among organisms and between organisms and their environment ... Big Question: Can we depend on nonrenewable energy sources for our energy needs?

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8 0
4 years ago
What is the mass of a 2 kg object on the Earth and on the moon?
zubka84 [21]

Answer:

Same

Explanation:

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WHEREVER you take a 2kg object, the mass will remain 2kg. All that changes is the Weight ..Weight the force which the centre of a Planet uses to pull everything towards itself.

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3 years ago
A grating has 380 lines/mm. How many orders of the visible wavelength 457 nm can it produce in addition to the m = 0 order? Plea
egoroff_w [7]

Answer:

5 orders.

Explanation:

The  condition for diffraction maxima,

sin \theta = mN\lambda\\m=\frac{sin \theta}{N\lambda}

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4 years ago
5. What is the name of the Scientist who began classification?
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