107162
AssignmentMultiple Choice

Electric Circuits

Question 107162 • Crowley Credit Recovery Physics B

In a parallel circuit with three resistors connected to a power source, what would happen to the equivalent resistance and current if you removed any one of the resistors?

Answer
A
The equivalent resistance would increase and the current would increase.
B
The equivalent resistance would increase and the current would decrease.
C
The equivalent resistance would decrease and the current would decrease.
D
The equivalent resistance would decrease and the current would increase.

Explanation

In a parallel circuit, each resistor provides an additional path for current. Removing one path makes the equivalent resistance increase. With the same power-source voltage, Ohm’s law (I = V/R) means the total current decreases, so the correct choice is B: the equivalent resistance would increase and the current would decrease.

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