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10 questions from this quiz
Conceptual, mathematical, and numerical
The strength of the magnetic field
Direction of force on a north pole
Only one direction of force at any point
Some domains stay aligned - magnetised
B=μ0I2πrB = \frac{\mu_0 I}{2\pi r}B=2πrμ0I
Number of turns in the solenoid
Only works for very long wires
Solving equations mathematically first
When equations are too difficult to solve
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