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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the formula for power in an electric circuit?
💡 Hint: Think about how voltage and current interact.
Question 2
Easy
How many watts are in a kilowatt?
💡 Hint: Consider the metric prefixes.
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 formula for calculating electrical power?
- P = V + I
- P = V × I
- P = I / V
💡 Hint: Consider how power relates to work done.
Question 2
True or False: Increased resistance in a circuit will decrease power if voltage remains constant.
- True
- False
💡 Hint: Think about relationships between resistance and power.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Calculate the power consumed by an appliance that operates at 120V and 5A.
💡 Hint: Use the power formula directly.
Question 2
If a device is rated at 1500W and operates for 2 hours, how much energy does it consume in kWh?
💡 Hint: Remember to convert Watts to kilowatts.
Challenge and get performance evaluation