Question
A charge particle having charge q is accelerated through a potential difference V and then it enters a perpendicular magnetic field in which it experiences a force F. If V is increased to 5V, the particle will experience a force
Answer: Option D
:
D
12mv2=qV⇒v=√2qVm. Also F=qvB
⇒F=qB√2qVm hence F∝√V which gives F′=√5F.
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D
12mv2=qV⇒v=√2qVm. Also F=qvB
⇒F=qB√2qVm hence F∝√V which gives F′=√5F.
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