A charge q = -3.75 nC moves with a velocity of 2.75 103 m/s î. Find...
A charge q = -3.75 nC moves with a velocity of 2.75 103 m/s î. Find the force on the charge due to the following magnetic fields. (a) vector B = 0.38 T ĵ 0 Correct: Your answer is correct. µN î + 0 Correct: Your answer is correct. µN ĵ + -3.91 Correct: Your answer is correct. µN k (b) vector B = 0.75 T î + 0.75 T ĵ 0 Correct: Your answer is correct. µN î + 0 Correct: Your answer is correct. µN ĵ + -7.5 Incorrect: Your answer is incorrect. µNk (c) vector B = 0.65 T î 0 Correct: Your answer is correct. µN î + 0 Correct: Your answer is correct. µN ĵ + 0 Correct: Your answer is correct. µN k (d) vector B = 0.75 T î + 0.75 T k 0 Correct: Your answer is correct. µN î + 7.5 Incorrect: Your answer is incorrect. µN ĵ + 0 Correct: Your answer is correct. µN k
Homework Answers
b] Magnetic Force on a charge F = q v x B = -3.75e-9*(2.75e3i^) x (0.75 î + 0.75 ĵ )
= -3.75e-9*2.75e3*0.75 k^
= -0.000007734 N k^
= -7.734 uN k^
d] Magnetic Force on a charge F = q v x B = -3.75e-9*(2.75e3i^) x (0.75 î + 0.75 k^)
= 3.75e-9*2.75e3*0.75 j^
= 0.000007734 N j^
= 7.734 uN j^
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