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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
Define torque in the context of a current loop.
π‘ Hint: Think about the effect of forces on an object that cause rotation.
Question 2
Easy
What happens to the torque when the angle between the loop's plane and the magnetic field is 90 degrees?
π‘ Hint: Consider the sine function's value at this angle.
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 the torque on a rectangular current loop depend on?
- Current
- Area
- Magnetic Field
- Only Current
- Angle only
π‘ Hint: Remember the formula Ο = IABsinΞΈ.
Question 2
True or False: The torque experienced by a current loop is maximum when it is aligned parallel to the magnetic field.
- True
- False
π‘ Hint: Visualize how the loop behaves in the magnetic field.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A rectangular coil with dimensions 0.2 m x 0.1 m carries a current of 4 A and is placed in a magnetic field of 0.3 T. Calculate the torque when it's inclined at an angle of 60 degrees.
π‘ Hint: Make sure to convert the angle to radians if needed.
Question 2
If the same coil is rotated from 0 degrees to 90 degrees, how does the torque change and why?
π‘ Hint: Consider the characteristics of the sine function during this range.
Challenge and get performance evaluation