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nadezda [96]
3 years ago
10

12. Electrical current supplied by a battery is called

Physics
1 answer:
elena-14-01-66 [18.8K]3 years ago
4 0

Answer:Alternating Current.

I don't know if i'm right

Explanation:

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If the plant produces electric energy at the rate of 1. 5 gw , how much exhaust heat is discharged per hour?
expeople1 [14]

The amount of exhaust heat discharged per hour from the plant which produces electric energy at the rate of 1. 5 gw, is 9.36×10¹⁹ J/h.

<h3>How to calculate the heat discharged per hour?</h3>

The heat is discharged per hour is equal to the different of total power and actual power.

The plant produces electric energy at the rate of 1. 5 gw. Let assume the efficiency of this power plant is 64% between the temperature of 660 degree C to 330 degree Celsius.

Thus, the maximum efficiency is,

\eta_{max}=1-\dfrac{660+273}{330+273}\\\eta_{max}=0.55

The total power is,

P_t=\dfrac{P_A}{\eta_{max}\times0.64}\\P_t=\dfrac{1.5}{0.55\times0.64}\\P_t=4.26\rm\; GW

Thus, the heat discharged per hour is,

Q=4.26-1.5\\Q=2.76\text{GW}\\

Multiply the value with 3600 to convert it in s/h,

Q=2.76\times10^9\times3600\text{ J/h}\\Q=9.36\times10^{19}\text{ J/h}\\

Thus, the amount of exhaust heat discharged per hour from the plant which produces electric energy at the rate of 1. 5 gw, is 9.36×10¹⁹ J/h.

Learn more about the heat discharged per hour here;

brainly.com/question/19666326

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