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An electron enters a crossed electrical and magnetic field region with a speed of $100 m s^{-1}$ along +x-axis and passes undeviated. The strength of magnetic field is 5.0 T and it acts along +z-axis. Give the electrical field in vector notations indicating its magnitude as well as direction: |
$\left(500 Vm^{-1}\right) \hat{j}$ $-\left(500 Vm^{-1}\right) \hat{k}$ $\left(100 Vm^{-1}\right) \hat{j}$ $-\left(100 Vm^{-1}\right) \hat{k}$ |
$\left(500 Vm^{-1}\right) \hat{j}$ |
The correct answer is Option (1) → $\left(500 Vm^{-1}\right) \hat{j}$ |
