2024HSCMultiple choice

Q10

1 mark

Question

A rod carrying a current, $I$ , placed in a uniform magnetic field as shown, experiences a force $F$ .

How many degrees must the rod be rotated clockwise so that it experiences a force $\dfrac{F}{2}$ ?
A. $30^\circ$
B. $45^\circ$
C. $60^\circ$
D. $90^\circ$

Luna-requested uncropped source page for question 10; requires human review and cropping — Reviewed visual · source page 6

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Syllabus alignment

Module 6 · Electromagnetism

The Motor EffectDetermine the size and direction of force on a current-carrying conductor in a uniform magnetic field.

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