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PtichkaEL [24]
3 years ago
9

Converts light energy to electrical energy

Physics
1 answer:
I am Lyosha [343]3 years ago
3 0

Answer:

If the collector of the cell is covered, the voltage is higher

Explanation:

The collector of the a passive, active, or photovoltaic (PV) solar cell is the device that takes the Sun's energy by the absorption of the Sun's radiation which is then transformed into electricity and heat. The ability to absorb the Sun's energy is given by the material type and the coating of solar collector

Therefore, the device requires access to energy from Sunlight to get the energy which can be stored in a rechargeable cell and well the collector's cell is covered, access to Sunlight is denied and therefore energy is not supplied to the cells and current is not generated and there is no flow of electricity and the voltage in the circuit is lower or there is no voltage in the circuit

The statement which is wrong about the solar cell is therefore, that <em>if the collector of the cell is covered, the voltage is higher</em>

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Dimension of radius of sphere​
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Answer:

The dimension is L

Explanation:

Dimension analysis is a method of representing quantities majorly with respect to some fundamental quantities of mass (M), length (L), time (T).

A sphere has a definite volume which relates to its radius by:

V = \frac{4}{3}\pir^{3}

In this equation \pi is a dimensionless quantity, and the unit of v is m^{3}.

But, metre is a measure of length, thus it has a dimension of L.

So that,

m^{3} ≅ L^{3}

Then,

L^{3} = r^{3}

Find the cube root of both sides to have,

r = L

Therefore, the dimension of the radius of a sphere is L.

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3 years ago
The_______ of an object is given relative to an origin
Setler79 [48]
The slope of an object is given relative to an origin.
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4 years ago
Does wax paper, aluminum foil, or plastic wrap cause more friction
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4 0
4 years ago
Read 2 more answers
Suppose you have a 75-watt light bulb that you leave turned on for two minutes. How much energy
victus00 [196]

Answer:

9000 J

Explanation:

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2 years ago
Write down short notes on:<br>a. Electrical energy​
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Answer:

Explanation:

Electrical energy is energy derived from electric potential energy or kinetic energy.

Or,

Electrical energy is a form of energy resulting from the flow of electric charge. Lightning, batteries and even electric eels are examples of electrical energy.People use electricity for lighting, heating, cooling, and refrigeration and for operating appliances, computers, electronics, machinery, and public transportation systems.

Hope it helped you.

4 0
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