Series Circuits Quiz

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Questions and Answers

What is the total voltage across the battery in a series circuit with voltages of 9V, 3V, and 5V?

  • 18V
  • 20V
  • 15V
  • 17V (correct)

How does current behave in a series circuit?

  • Current is additive across all components
  • Current is unique and the same in all components (correct)
  • Current varies based on each component's resistance
  • Current flows only through the first component

If the voltage in a series circuit is 17V and the current is 1A, what can you conclude about the circuit?

  • The circuit has short circuits affecting the current
  • The circuit has no lamps connected
  • The circuit operates under a fixed total voltage and current (correct)
  • The circuit has variable current in each lamp

What is the correct formula to determine total voltage in a series circuit?

<p>$V = V_1 + V_2 + V_3$ (A)</p> Signup and view all the answers

In a series circuit where the voltage drop across three resistors is 9V, 3V, and 5V, what would be the individual currents through these resistors?

<p>1A for all resistors (A)</p> Signup and view all the answers

Flashcards

Series Circuit Voltage

The total voltage in a series circuit is the sum of the voltages across each component.

Series Circuit Current

The current is the same throughout all components in a series circuit.

Calculating Series Voltage

Add the voltage drops across each component to find the total voltage.

Calculating Series Current

The current flowing through any component in a series circuit is the same as the total current.

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Series Circuit Example Voltage

Find the total voltage in a series circuit with known individual voltages. (Example: V₁ = 9V, V₂ = 3V, V₃ = 5V .)

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Study Notes

Series Circuits

  • Voltage is additive: Total voltage (VT) = V1 + V2 + V3...
  • Current is unique: Current (I) is the same in all parts of the circuit. IT = I1 = I2 = I3...
  • Example: If V1 = 2V, V2 = 3V, and V3 = 6V, then the total voltage is 11V.
  • If IT = 5A, then I1 = I2 = I3 = 5A.

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