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Electrostatics question

2024 · 30 Jan · Shift 2 · Q75
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Electrostatics question

2024 · 30 Jan · Shift 2 · Q75

JEE MainPhysicsElectrostaticsMCQ+4 / −1
A particle of charge '−q-q−q' and mass 'mmm' moves in a circle of radius 'rrr' around an infinitely long line charge of linear charge density '+λ+\lambda+λ'. Then time period will be given as : (Consider kkk as Coulomb's constant)
  1. A
    T2=4π2m2kλqr3T^2=\frac{4 \pi^2 m}{2 k \lambda q} r^3T2=2kλq4π2m​r3
  2. B
    T=12πrm2kλqT=\frac{1}{2 \pi r} \sqrt{\frac{m}{2 k \lambda q}}T=2πr1​2kλqm​​
  3. C
    T=12π2kλqmT=\frac{1}{2 \pi} \sqrt{\frac{2 k \lambda q}{m}}T=2π1​m2kλq​​
  4. D
    T=2πrm2kλqT=2 \pi r \sqrt{\frac{m}{2 k \lambda q}}T=2πr2kλqm​​
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