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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 dissipation in terms of current and resistance?
💡 Hint: Think about the relationship between current and heat.
Question 2
Easy
If the current is 3 Amperes and the resistance is 5 Ohms, what is the power dissipation?
💡 Hint: Square the current first and then multiply by resistance.
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 power dissipation in resistors?
- P=IR
- P=I²R
- P=V/R
💡 Hint: Focus on the relationship between current and resistance.
Question 2
True or False: Power can also be represented as P=V²/R using Ohm's Law.
- True
- False
💡 Hint: Recall the connection between voltage and resistance.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A resistor dissipates 64 Watts of power when connected to a 16 Ohm resistor. Calculate the current flowing through it and the voltage across it.
💡 Hint: Use P = I²R to find both I and V.
Question 2
A device uses a power of 150 Watts at 120 Volts. What is the resistance? How much current is flowing?
💡 Hint: First find resistance using the formula, then calculate current.
Challenge and get performance evaluation