Series Circuits Flashcards

(25 cards)

1
Q

What is a series circuit?

A

A circuit in which the components are connected end-to-end so that the current flows through each component in turn.

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2
Q

True or False: In a series circuit, if one component fails, the entire circuit stops working.

A

True

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3
Q

Fill in the blank: In a series circuit, the total voltage is equal to the ______ of the individual voltages across each component.

A

sum

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4
Q

What happens to the total resistance in a series circuit as more resistors are added?

A

The total resistance increases.

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5
Q

If a series circuit has a total voltage of 12V and two identical resistors, what is the voltage across each resistor?

A

6V

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6
Q

What is the formula for calculating total resistance in a series circuit?

A

R_total = R1 + R2 + R3 + …

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7
Q

True or False: The current is the same through all components in a series circuit.

A

True

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8
Q

In a series circuit with a 9V battery and two resistors of 3Ω and 6Ω, what is the total current flowing through the circuit?

A

1A

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9
Q

What is the effect of adding more batteries in series in a circuit?

A

It increases the total voltage supplied to the circuit.

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10
Q

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.

A

C) Total resistance decreases

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11
Q

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 ______.

A

resistance

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12
Q

What happens to the brightness of bulbs in a series circuit as more bulbs are added?

A

The brightness decreases.

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13
Q

True or False: The power consumed by each component in a series circuit can be different.

A

True

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14
Q

What is the total voltage in a series circuit with three batteries of 1.5V each?

A

4.5V

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15
Q

Fill in the blank: In a series circuit, the total power is equal to the ______ of the power used by each component.

A

sum

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16
Q

What is a common application of series circuits?

A

String lights or Christmas lights.

17
Q

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.

A

C) Both A and B

18
Q

True or False: In a series circuit, if one light bulb burns out, all other bulbs will remain lit.

19
Q

What is the relationship between voltage, current, and resistance in a series circuit?

A

Voltage = Current x Resistance (Ohm’s Law).

20
Q

Fill in the blank: The total current in a series circuit can be increased by increasing the ______ or decreasing the resistance.

21
Q

What is the primary disadvantage of a series circuit?

A

If one component fails, the entire circuit stops functioning.

22
Q

How does adding a resistor in series affect the total current?

A

It decreases the total current.

23
Q

Multiple Choice: Which of the following can be used to measure current in a series circuit? A) Voltmeter B) Ammeter C) Ohmmeter D) Multimeter.

24
Q

What is the effect of series connections on the voltage across each component?

A

Voltage is divided among the components.

25
Fill in the blank: In a series circuit, the ______ is the same at every point.
current