To find the total resistance in series, add the individual resistances.

More Questions from Series Circuits

• The sum of the voltage drops across series resistors must equal the total voltage applied.
• If four 9 V batteries are connected series-aiding, the total voltage is 36 V.
• A short in a series circuit causes the total circuit current to decrease.
• An open in a series circuit will cause maximum voltage across the power supply terminals.
• Voltage sources are added when they are series-opposing.
• The total resistance of a series circuit always depends on the highest value resistor in that circuit.
• The total resistance is 35 Ω.
• The total power dissipated in a series resistive circuit exceeds the sum of the resistor powers.
• As additional resistors are added to a series circuit, the total circuit resistance increases.
• A series circuit provides only one path for current between two points.

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