Electromagnetic Field Theory
A negative point charge q = - 40 nC is moving with velocity of 6 × 106 m/s in a direction specited by unit vector uy + 0.6 uz. Find the magnitude of force vector on the moving particle by the field B = 2 ux + 3 uy + 5 uz mT and E = 2 ux - 3 uy + 5 uz KV/m

 144 μN.
 244 μN.
 1440 μN.
  1144 μN.

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Electromagnetic Field Theory
The wave in wave guide has

Diminishing wavelength than in the free space
Group velocity inversely proportional to wavelength
Larger frequency than in the free space
Larger wavelength than in the free space

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