The voltage across R1 is 10 volts.

More Questions from Series Circuits

• The sum of all the voltage drops in a series circuit equals the source voltage.
• Using a voltage divider the voltage across R1 is 10 V, R2 is 15 V, and R3 is 30 V.
• To find the total current in series, add the individual currents.
• In a series circuit, larger resistances drop larger voltages.
• In the given circuit, R2 equals _____.
• The polarity on the side of the resistor where current enters is ______. The polarity on the side of the resistor where current exits is ___________.
• In the given circuit, the voltage dropped across R3 equals ___.
• If a 47 Ω and a 68 Ω resistor are connected in series, the total resistance is ___.
• If a 3.9 kΩ, a 7.5 kΩ, and a 5.6 kΩ resistor are connected in series with a 34 V source, the voltage dropped across the 7.5 kΩ resistor equals _____.
• –1.2 V, +15 V, and –6 V batteries are connected in series. The magnitude of total voltage is _________.

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