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The work done by a force `vec(F)=(-6x^(3)hat(i))` N in displacing a particle from x = 4m to x = - 2m isA. `-240 J`B. `360 J`C. `420 J`D. will depend upon the path |
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Answer» Correct Answer - A The circuit is in resonance `(becauseV_(1)=V_(2))` `R=(V)/(l)=(120sqrt(2))/(10)=10sqrt(2)Omega` Q factor = `(1)/(R )sqrt((L)/(C))=(1)/(10sqrt(2))xxsqrt((2xx10^(-3))/(0.8xx10^(-6)))=(1)/(10sqrt(2))xxsqrt((2xx10^(4))/(8))=(50)/(10sqrt(2))=(5)/(sqrt(2))` |
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