Physics II Exam II – Flashcards
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Four unequal resistors are connected in a parallel with each other. Which one of the following statements is correct about this combination?
answer
The equivalent resistance is less than that of the smallest resistor.
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Four unequal resistors are connected in series with each other. Which one of the following statements is correct about this combination?
answer
The equivalent resistance is more than the largest resistance.
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In the circuit shown in the figure, the resistor R has a variable resistance. As R is decreased, what happens to the currents?
answer
I1 decreases and I2 increases.
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When different resistors are connected in parallel across an ideal battery, we can be certain that...
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the potential difference across each is the same.
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When unequal resistors are connected in series across an ideal battery,
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the current flowing in each is the same.
