Magnetic fields — Question 20
Original QCE Vault practice · 1 mark
Q20 · Practice questionComplex familiar1 mark
QUESTION 20
A 0.28m wire carrying 4.0A makes an angle of 60∘ with a 0.35T magnetic field. What force acts on the wire? (A)0.196N (B)0.339N (C)0.392N (D)0.784N WORKED SOLUTION
Answer B
1 markWorked solution
F=BILsinθ=(0.35)(4.0)(0.28)sin60∘=0.339N. Select the correct option.
[1 mark]Practice question aligned to the current QCAA syllabus; review the worked solution and marking criteria.
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