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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the formula for Ohm's Law?
π‘ Hint: Consider the three quantities it relates.
Question 2
Easy
Define voltage.
π‘ Hint: Think of it as the push that drives current.
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 does Ohm's Law relate?
- Resistance
- Voltage
- Capacitance
- Voltage
- Current
- Resistance
- Power
- Voltage
- Resistance
π‘ Hint: Look for the three core electrical parameters.
Question 2
True or False: If you increase the resistance while keeping the voltage constant, the current will increase.
- True
- False
π‘ Hint: Remember the inverse relationship?
Solve 2 more questions and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Design a circuit to light an LED with a 12V supply, requiring a current of 20mA. What resistor will you choose, and why?
π‘ Hint: Calculate with Ohm's Law and verify the LED ratings.
Question 2
If a circuit has a 45Ξ© resistor and the current measured is 2A, what is the voltage across the resistor?
π‘ Hint: Plug in the numbers correctly for voltage.
Challenge and get performance evaluation