Series Circuits Flashcards
(25 cards)
What is a series circuit?
A circuit in which the components are connected end-to-end so that the current flows through each component in turn.
True or False: In a series circuit, if one component fails, the entire circuit stops working.
True
Fill in the blank: In a series circuit, the total voltage is equal to the ______ of the individual voltages across each component.
sum
What happens to the total resistance in a series circuit as more resistors are added?
The total resistance increases.
If a series circuit has a total voltage of 12V and two identical resistors, what is the voltage across each resistor?
6V
What is the formula for calculating total resistance in a series circuit?
R_total = R1 + R2 + R3 + …
True or False: The current is the same through all components in a series circuit.
True
In a series circuit with a 9V battery and two resistors of 3Ω and 6Ω, what is the total current flowing through the circuit?
1A
What is the effect of adding more batteries in series in a circuit?
It increases the total voltage supplied to the circuit.
Multiple Choice: Which of the following is NOT true for a series circuit? A) Current is constant B) Voltage is divided C) Total resistance decreases D) Components are connected end-to-end.
C) Total resistance decreases
Fill in the blank: The total current in a series circuit can be calculated using Ohm’s Law: I = V/R, where I is current, V is voltage, and R is ______.
resistance
What happens to the brightness of bulbs in a series circuit as more bulbs are added?
The brightness decreases.
True or False: The power consumed by each component in a series circuit can be different.
True
What is the total voltage in a series circuit with three batteries of 1.5V each?
4.5V
Fill in the blank: In a series circuit, the total power is equal to the ______ of the power used by each component.
sum
What is a common application of series circuits?
String lights or Christmas lights.
Multiple Choice: In a series circuit, which of the following affects the overall current? A) Total voltage B) Total resistance C) Both A and B D) None of the above.
C) Both A and B
True or False: In a series circuit, if one light bulb burns out, all other bulbs will remain lit.
False
What is the relationship between voltage, current, and resistance in a series circuit?
Voltage = Current x Resistance (Ohm’s Law).
Fill in the blank: The total current in a series circuit can be increased by increasing the ______ or decreasing the resistance.
voltage
What is the primary disadvantage of a series circuit?
If one component fails, the entire circuit stops functioning.
How does adding a resistor in series affect the total current?
It decreases the total current.
Multiple Choice: Which of the following can be used to measure current in a series circuit? A) Voltmeter B) Ammeter C) Ohmmeter D) Multimeter.
B) Ammeter
What is the effect of series connections on the voltage across each component?
Voltage is divided among the components.