CapacitanceMedium
Question
Two insulating plates are both uniformly charged in such a way that the potential difference between them is V2 - V1 = 20 V. (i.e. plate 2 is at a higher potential). The plates are separated by d = 0.1 m and can be treated as infinitely large. An electron is released from rest on the inner surface of plate 1. What is its speed when it hits plate 2?
(e = 1.6 × 10-19C, me = 9.11 × 10-31 kg)
(e = 1.6 × 10-19C, me = 9.11 × 10-31 kg)
Options
A.32 × 10-19 m/s
B.2.65 × 106 m/s
C.7.02 × 1012 m/s
D.1.87 × 106 m/s
mv2 = ev
= 2.65 × 106 m/sMore Capacitance Questions
Two spherical conductors A and B of radius a and b (b > a) are placed in air concentrically. B is given charge + Q co...Between the plates of parallel plate capacitor of capacity C two parallel plates of the same material and area same as t...A capacitor of capacitance 5 μF is connected as shown in the fig. The internal resistance of the cell is 0.5 Ω...Two identical parallel plate capacitors are connected in series and then joined in series with a battery of emf 100V. A ...An infinite number of identical capacitors each of capacitance 1m F are connected as in adjoining figure. Then the equiv...