Exit Ticket: Electric circuits and Ohm's law

Exit Ticket · Grade 12 · Physics

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Short Answer Questions

• Q1. A resistor in a circuit has a resistance of 15 Ω and a current of 2 A flowing through it. Using Ohm's Law, calculate the voltage across the resistor. Show your work.

• Q2. Explain the difference between a series circuit and a parallel circuit. How does adding more resistors affect the total resistance in each case?

Reflection

• What part of Ohm's Law or electric circuits do you still find confusing, and what strategy will you use to better understand it before the next class?

Multiple Choice

• Q1. A circuit has a voltage of 24 V and a resistance of 8 Ω. What is the current flowing through the circuit?

  • 0.33 A
  • 192 A
  • 3 A
  • 16 A

  Answer: 3 A

• Q2. Which of the following correctly states Ohm's Law?

  • V = I + R
  • I = V × R
  • V = I × R
  • R = V + I

  Answer: V = I × R

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