Loading the lesson
Loading the lesson
Search AllRounder.ai
Search the courses, subjects, tracks, games and features, or jump straight to a page.
Search the courses, subjects, tracks, games and features, or jump straight to a page.
4 cards from this section. Quick, good the night before a test.
Define torque in the context of a current loop.
Think about what happens when forces act on different parts of the loop.
What is the formula for magnetic moment?
Consider how current and area relate to the magnetic field's influence.
What is the formula for torque experienced by a current loop in a magnetic field?
Remember how current, area, and magnetic field influence torque.
At what angle does maximum torque occur?
Think about the sine function and when it reaches its peak value.
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.
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?
Many small loops add their effects together!
5 more questions in this section. Enroll free to practise them all.
Enroll free