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Alex_Xolod [135]
2 years ago
13

Which of the following power plants does not use thermal energy to produce electricity?

Physics
1 answer:
Delvig [45]2 years ago
4 0

Answer: d

Explanation:

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A real power supply can be modeled as an ideal EMF of 60 Volts in series with an internal resistance. The voltage across the ter
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Answer:

5 ohms

Explanation:

Given:

EMF of the ideal battery (E) = 60 V

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V_d=Ir

Therefore, the voltage across the terminals of the battery is given as:

V= E-V_d\\\\V=E-Ir

Now, rewriting in terms of 'r', we get:

Ir=E-V\\\\r=\frac{E-V}{I}

Plug in the given values and solve for 'r'. This gives,

r=\frac{60-40}{4}\\\\r=\frac{20}{4}\\\\r=5\ ohms

Therefore, the internal resistance of the battery is 5 ohms.

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3 years ago
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Explanation:

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