CAPE Physics Unit 2 · 2011 · Paper 1 · Question Q10
A wire of length 30\text{ cm} is in a magnetic field of strength 3.5\text{ mT} and makes an angle of 60^\circ with the field. If the wire is carrying a current of 2.5\text{ A}, what is the magnitude of the force on the wire?
- (A)0.0023 N
- (B)0.13 N
- (C)1.3 N
- (D)2.3 N
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