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Current Electricity question

2020 · Q139
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Current Electricity question

2020 · Q139

NEETPhysicsCurrent ElectricityMCQ+4 / −1
A charged particle having drift velocity 7.5×\times×10-4 ms-1 in an electric field of 3×\times×10-10 Vm-1 has a mobility in m2 V-1s-1 of :
  1. A
    2.5 ×\times×106
  2. B
    2.5 ×\times×10-6
  3. C
    2.25 ×\times×10-15
  4. D
    2.25 ×\times×1015
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