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 10
A 24 V battery is connected to four resistors of 8 Ω each in parallel. What is the total current supplied by the battery?
A 9 V battery is connected to three resistors of 3 Ω each in parallel. What is the voltage across each resistor?
A 9 V battery is connected to three resistors of 3 Ω each in series. What is the voltage drop across each resistor?
A circuit contains three bulbs connected in parallel. If one bulb burns out, what happens to the other bulbs?
A circuit has two resistors, R₁ = 4 Ω and R₂ = 12 Ω, connected in parallel. What is the total resistance?
A student connects three identical resistors in parallel to a battery. If the total current from the battery is 6 A, what is the current through each resistor?
A student connects three identical resistors in series to a battery. If the current through the battery is 2 A, what is the current through each resistor?
Calculate the total resistance of three resistors of 2 Ω, 4 Ω, and 6 Ω connected in parallel.
Calculate the total resistance of three resistors of 2 Ω, 4 Ω, and 6 Ω connected in series.
Describe the main difference between the way current flows in a series circuit and a parallel circuit.
Explain what happens to the brightness of bulbs in a series circuit if more bulbs are added.
Explain why household electrical wiring is done in parallel and not in series.
If a 12 V battery is connected to two resistors of 3 Ω and 6 Ω in parallel, what is the total current supplied by the battery?
If a 12 V battery is connected to two resistors of 3 Ω and 6 Ω in series, what is the current in the circuit?
If the total resistance in a series circuit is 20 Ω and the current is 0.5 A, what is the voltage of the battery?
If three resistors of 5 Ω, 10 Ω, and 15 Ω are connected in parallel, what is the total resistance?
In a parallel circuit, if more branches are added, what happens to the total resistance?
In a series circuit, if the resistance increases, what happens to the current?
State Ohm's Law and explain its relevance in analyzing series and parallel circuits.
