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in a circuit with two resistors in parallel, which of the following pair applies? a. V and I both increase across both resistors. b. V is constant across both resistors, but the current changes. c. Voltage and current both remain constant over both branches of the circuit. d. V and I both decrease across both resistors



Answer :

AL2006

The wording of the choices is really unclear.  With two resistors in parallel,
here's the situation:

-- The voltage across each resistor is the same as the voltage across
the other one.  If the parallel combination is connected to the battery,
then the voltage across each resistor is the full battery voltage.

-- The current through each resistor is (V) / (the resistance of that resistor).
That's the same current as would flow through that resistor if the other one
were not there.

-- As long as the battery or other power supply holds out, neither of these
quantities changes.

Can you match this situation to one of the choices listed ?
It looks to me as if choice 'C' is the one that's most likely
trying to say this.