Series and Parallel Circuits
Physics ⇒ Electricity and Magnetism
Series and Parallel Circuits starts at 8 and continues till grade 12.
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See sample questions for grade 12
A 24 V battery is connected to two resistors in parallel: 8 Ω and 12 Ω. What is the current through the 8 Ω resistor?
A 9 V battery is connected to two resistors in series: 3 Ω and 6 Ω. What is the voltage drop across the 6 Ω resistor?
A circuit contains a 12 Ω resistor and a 24 Ω resistor in series. If the current is 2 A, what is the voltage across the 24 Ω resistor?
A circuit contains two resistors, 10 Ω and 20 Ω, connected in parallel. What is the total resistance?
A circuit has three branches in parallel, each with a 2 Ω resistor. If the source voltage is 12 V, what is the current through each branch?
A circuit has three resistors: 5 Ω, 10 Ω, and 15 Ω, all connected in series. What is the total resistance?
A student connects three identical resistors in parallel. If the resistance of each is 9 Ω, what is the total resistance?
Calculate the total resistance of three resistors connected in parallel: 2 Ω, 4 Ω, and 6 Ω.
Calculate the total resistance of three resistors connected in series: 2 Ω, 4 Ω, and 6 Ω.
Describe the effect on total resistance if more resistors are added in parallel to a circuit.
Describe what happens to the brightness of bulbs in a series circuit if more bulbs are added.
Explain the difference between series and parallel circuits in terms of current and voltage distribution.
Explain why household electrical wiring is done in parallel rather than in series.
If a 12 V battery is connected to a series circuit with a total resistance of 6 Ω, what is the current flowing through the circuit?
If a 6 V battery is connected to two resistors in parallel, each of 3 Ω, what is the total current supplied by the battery?
If the total resistance in a parallel circuit is 2 Ω and the source voltage is 10 V, what is the total current supplied by the source?
If three identical bulbs are connected in series to a battery, and one bulb burns out, what happens to the other bulbs?
State Kirchhoff's Voltage Law and explain its application in series circuits.
State Ohm's Law and explain its application in series and parallel circuits.
