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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What unit measures voltage?
π‘ Hint: Think about the pressure that pushes electrons.
Question 2
Easy
If current is 2A and resistance is 5Ξ©, what is the voltage?
π‘ Hint: Use the formula V = I Γ R.
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What is the unit of current?
- Volts
- Amperes
- Ohms
π‘ Hint: Think about how current flows in a circuit.
Question 2
True or False: Voltage is the same thing as power.
- True
- False
π‘ Hint: Recall how power is calculated.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
You have a circuit with a voltage of 15V, and a total resistance of 3Ξ©. Calculate the current and the power utilized by the circuit.
π‘ Hint: Work through Ohm's Law to find current first.
Question 2
If your robot's motor requires 4A current and operates at 12V, calculate the resistance needed in the circuit.
π‘ Hint: Rearranging Ohm's Law helps you find resistance.
Challenge and get performance evaluation