Series and Parallel Resistors Worksheet
Explore the fundamental concepts of series and parallel circuits, calculating total resistance, current, and voltage in various configurations.
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Series and Parallel Resistors
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Read each question carefully and answer to the best of your ability. Show all your work for calculation problems.
1. In a series circuit, what happens to the total resistance as more resistors are added?
It decreases.
It increases.
It stays the same.
It depends on the resistor values.
2. Which of the following is true about the current in a parallel circuit?
It is the same through each branch.
It is divided among the branches.
It is always zero.
It is inversely proportional to resistance.
3. In a series circuit, the total voltage is the of the individual voltages across each resistor.
4. The reciprocal of the total resistance in a parallel circuit is equal to the of the reciprocals of the individual resistances.
5. Describe one advantage and one disadvantage of a series circuit.
6. For the series circuit shown below, calculate the total resistance.
7. For the parallel circuit shown below, calculate the total resistance.
8. If one bulb in a series circuit burns out, all other bulbs in the circuit will go out.
True
False
9. In a parallel circuit, the voltage across each branch is different.
True
False
10. Three resistors with resistances of 10 Ω, 20 Ω, and 30 Ω are connected in series to a 12V battery. Calculate the total current flowing through the circuit.
11. Three resistors with resistances of 10 Ω, 20 Ω, and 30 Ω are connected in parallel to a 12V battery. Calculate the total current drawn from the battery.