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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the definition of an electric field?
๐ก Hint: Think about what happens to a charge placed near another charge.
Question 2
Easy
Give an example of a point charge.
๐ก Hint: Remember, a point charge has charge concentrated at a single spot.
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 electric field strength due to a point charge?
- E = F/q
- E = k * (q/r^2)
- Both of the above
๐ก Hint: Consider both force per unit charge and point charge calculations.
Question 2
Is the electric field strength greater or lesser the closer you are to a charge?
- True
- False
๐ก Hint: Think about what happens as you approach a charged object.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A point charge of -3ฮผC is placed at the origin. Determine the electric field strength at a point 1m away from the charge. What is the direction of the field?
๐ก Hint: Remember to use absolute values for charge when calculating strength.
Question 2
Explain why electric field lines cannot cross, including a diagram to illustrate your answer.
๐ก Hint: Consider what it means for lines to intersect and the physical implications.
Challenge and get performance evaluation