4. A 150-V battery is connected across two parallel metal plates of area 28.5 cm? and separation 8.20 mm. A beam of alpha particles (charge +2e, mass 6.64 x 1027 kg) is accelerated from rest through a potential difference of 1.75 kV and enters the region between the plates perpendicular to the electric field. What magnitude and direction of magnetic field are needed so that the alpha particles emerge undeflected from between the plates?
4. A 150-V battery is connected across two parallel metal plates of area 28.5 cm? and separation 8.20 mm. A beam of alpha particles (charge +2e, mass 6.64 x 1027 kg) is accelerated from rest through a potential difference of 1.75 kV and enters the region between the plates perpendicular to the electric field. What magnitude and direction of magnetic field are needed so that the alpha particles emerge undeflected from between the plates?
Delmar's Standard Textbook Of Electricity
7th Edition
ISBN:9781337900348
Author:Stephen L. Herman
Publisher:Stephen L. Herman
Chapter19: Capacitors
Section: Chapter Questions
Problem 3RQ: A capacitor uses air as a dielectric and has a capacitance of 3 F. A dielectric material is inserted...
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