Gr 10 Physical Sciences Ch 13: Series resistors
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Questions and Answers

What is the characteristic of current in a series circuit?

  • Current decreases as more resistors are added
  • Current flows in multiple paths
  • Current remains constant throughout the entire circuit (correct)
  • Current increases as more resistors are added

What happens to the total resistance when resistors are connected in series?

  • It increases (correct)
  • It becomes zero
  • It remains constant
  • It decreases

What is the relationship between the total voltage and the voltage across each resistor in a series circuit?

  • The total voltage is less than the sum of the voltages across each resistor
  • The total voltage is equal to the sum of the voltages across each resistor (correct)
  • The total voltage is greater than the sum of the voltages across each resistor
  • The total voltage is not related to the voltage across each resistor

What is the purpose of voltage division in series resistors?

<p>To distribute the total voltage among the resistors (D)</p> Signup and view all the answers

What is the number of paths for the current to flow in a series circuit?

<p>One (D)</p> Signup and view all the answers

What happens to the current when more resistors are added in series?

<p>It decreases (D)</p> Signup and view all the answers

What is the formula to calculate the total resistance of resistors in series?

<p>Rs = R1 + R2 + ... + Rn (B)</p> Signup and view all the answers

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

<p>I = V / Rs (D)</p> Signup and view all the answers

What is the effect of adding resistors in series on the total voltage?

<p>The total voltage remains the same (D)</p> Signup and view all the answers

What determines the voltage across each resistor in a series circuit?

<p>The individual resistance of each resistor (C)</p> Signup and view all the answers

How does the addition of identical resistors in series affect the current?

<p>The current decreases (D)</p> Signup and view all the answers

What is the characteristic of a series circuit in terms of its current flow?

<p>The current is the same at every point (C)</p> Signup and view all the answers

What happens to the total resistance when identical resistors are added in series?

<p>It increases (A)</p> Signup and view all the answers

What is the role of series resistors in a circuit?

<p>To distribute the total voltage among the resistors (D)</p> Signup and view all the answers

What is the significance of the total voltage in a series circuit?

<p>It is the sum of the voltages across each resistor (D)</p> Signup and view all the answers

How does the total resistance affect the current in a series circuit?

<p>The current decreases as the total resistance increases (A)</p> Signup and view all the answers

What is the primary reason for the total resistance increasing when resistors are connected in series?

<p>The addition of individual resistances (C)</p> Signup and view all the answers

What happens to the current in a series circuit when the total voltage remains constant and more resistors are added?

<p>The current decreases (A)</p> Signup and view all the answers

How is the voltage divided among the resistors in a series circuit?

<p>Proportional to the resistance of each resistor (B)</p> Signup and view all the answers

What is the purpose of considering the total voltage in a series circuit?

<p>To divide the voltage among the resistors (D)</p> Signup and view all the answers

Why do series resistors act as voltage dividers?

<p>Because the voltage is divided among the resistors (A)</p> Signup and view all the answers

What is the effect of adding identical resistors in series on the total resistance?

<p>The total resistance increases (B)</p> Signup and view all the answers

What determines the current in a series circuit?

<p>The total voltage and total resistance (C)</p> Signup and view all the answers

What is the main advantage of using series resistors in a circuit?

<p>To divide the voltage among the resistors (D)</p> Signup and view all the answers

What is the primary reason for the current being the same at every point in a series circuit?

<p>Because there is only one path for the current to flow. (C)</p> Signup and view all the answers

If the total voltage across a series circuit is 12V, and three resistors have a potential difference of 3V, 4V, and 5V respectively, what can be concluded about the values of the resistors?

<p>The resistors have different values. (D)</p> Signup and view all the answers

What is the significance of Ohm's Law in a series circuit?

<p>It relates the current, voltage, and resistance in a series circuit. (D)</p> Signup and view all the answers

What happens to the total voltage when more resistors are added in series to a circuit?

<p>It remains constant. (D)</p> Signup and view all the answers

In a series circuit, what is the relationship between the total resistance and the current?

<p>The total resistance is inversely proportional to the current. (B)</p> Signup and view all the answers

What is the result of connecting multiple identical resistors in series?

<p>The total resistance increases. (B)</p> Signup and view all the answers

What is the purpose of voltage division in a series circuit?

<p>To distribute the total voltage among the resistors. (B)</p> Signup and view all the answers

What is the significance of the single path for current flow in a series circuit?

<p>It ensures that the current is the same at every point. (D)</p> Signup and view all the answers

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