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kondor19780726 [428]
3 years ago
12

Plz help on this ASAP !!

Physics
1 answer:
makkiz [27]3 years ago
4 0

It would most likely be answer B considering the other ones don’t make sense in this question

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Answer:

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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
lara31 [8.8K]

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:

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

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

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

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3 years ago
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