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A 15-volt power supply is used to power a circuit with two resistors in series. The voltage drop across R1 is 5 volts. What is the voltage drop across R2?

10 volts

20 volts

0 volts

5 volts

3 answers

the total voltage drop across the resistors is equal to the supply voltage

5 + vR2 = 15

10 volts

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