3 years ago

Which rocky planet has the strongest magnetosphere?

Physics

1 answer:

Nikolay [14]3 years ago

3 0

Earth it has the strongest magnetosphere

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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]

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5 ohms

Explanation:

Given:

EMF of the ideal battery (E) = 60 V

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Now, we know that, the voltage drop in the battery is given as:

$V_d=Ir$

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:

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

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Explanation:

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