Two parallel wirescarrying equal currents of 10 A attract each other with a force of1 mN. If both currents are doubled, the force of attraction willbe: a)1 mN b)4 mN c)0.5 mN d)0.25 mN

geduiwelh 2021-02-25 Answered
Two parallel wirescarrying equal currents of 10 A attract each other with a force of1 mN. If both currents are doubled, the force of attraction willbe:
a)1 mN
b)4 mN
c)0.5 mN
d)0.25 mN
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Expert Answer

joshyoung05M
Answered 2021-02-26 Author has 97 answers
${F}_{b}=\frac{{\mu }_{a}{i}_{1}{i}_{2}}{2\pi d}$
b)4mN
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