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Magnetics question

2019 · 9 Jan · Shift 2 · Q67
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Magnetics question

2019 · 9 Jan · Shift 2 · Q67

JEE MainPhysicsMagneticsMCQ+4 / −1
A particle having the same charge as of electron moves in a ciurcular path of radius 0.5 cm under the influence of a magnetic field 0f 0.5 T. If an electric field of 100 V/m makes it to move in a straight path, then the mass of the particle is (Given charge of electron = 1.6 ×\times× 10 −-− 19C)
  1. A
    9.1 ×\times× 10 −-− 31 kg
  2. B
    1.6 ×\times× 10 −-− 27 kg
  3. C
    1.6 ×\times× 10 −-− 19 kg
  4. D
    2.0 ×\times× 10 −-− 24 kg
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