4.9 - TORQUE ON CURRENT LOOP, MAGNETIC DIPOLE
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Practice Questions
Test your understanding with targeted questions
Define torque in the context of a current loop.
💡 Hint: Think about what happens when forces act on different parts of the loop.
What is the formula for magnetic moment?
💡 Hint: Consider how current and area relate to the magnetic field's influence.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the formula for torque experienced by a current loop in a magnetic field?
💡 Hint: Remember how current, area, and magnetic field influence torque.
At what angle does maximum torque occur?
💡 Hint: Think about the sine function and when it reaches its peak value.
1 more question available
Challenge Problems
Push your limits with advanced challenges
A rectangular loop of size 0.1 m x 0.2 m is carrying a current of 4 A and is in a magnetic field of 0.8 T at an angle of 30 degrees. Calculate the torque acting on the loop.
💡 Hint: Make sure to evaluate sin(30°) correctly.
If we have multiple turns of wire in the loop, say 50 turns, and the same 0.1 m x 0.2 m loop area, with 2 A current, what would the torque be?
💡 Hint: Many small loops add their effects together!
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