Series Circuits Questions

• 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 _________.
• A voltage divider is always a _____
• The ______ determines whether connected resistors are in series, parallel, or series-parallel?
• In the given circuit, R1 equals _____.
• The total circuit power in the given circuit equals _____.
• If five equal resistors are connected in series with a 20 V source, and a current of 400 µA is measured, each resistor equals ___.
• If four 90 Ω resistors are connected in series across an 18 V source, the current equals ___.
• If a 220 Ω, a 100 Ω, and a 180 Ω resistor are connected in series across a 12 V source, the circuit current equals ___.
• In the given circuit, _____ are in series.