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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the unit of electrical power?
π‘ Hint: Think about light bulbs and their ratings.
Question 2
Easy
State the formula for electrical power.
π‘ Hint: Recall the relationship among power, voltage, and 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 is the formula for calculating electrical power?
- P = V + I
- P = V Γ I
- P = V - I
π‘ Hint: Remember, it's a multiplication of two quantities.
Question 2
True or False: Higher voltage means lower power consumption in a circuit.
- True
- False
π‘ Hint: Consider the relationship defined in the power formula.
Solve 2 more questions and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A device operates at a voltage of 110 Volts and consumes 500 Watts of power. What is the current flowing through it? Show your work.
π‘ Hint: You will need to rearrange the power formula to solve for current.
Question 2
An appliance rated at 300 Watts operates at 120 Volts. Calculate the resistance of this appliance.
π‘ Hint: Consider how to rearrange the formula properly.
Challenge and get performance evaluation