separated by a diffe between the plates of a parallel plate 60 hat is distance c

Question

separated by a diffe between the plates of a parallel plate 60 hat is distance cm. the magnitude of electric field plate is the IOua tween the plates? capacitor is 400 V. plates are The (b) What the electric potential at a point midway between the two plates. is E-AU (voltage) (c) If an electron (charge e 1.6 x 10-1 c and mass m. x 10 31 kg) is released from rest at the midway point, 9.11 what will be its speed just before it s ve plate? he 6 V battery in an Iphone® produces a direct current of 0 mA over a 5 hour period. Ve6v a) What is the equivalent resistance ofdke circuit in the Iphoneg? 6V

Explanation / Answer

given

V = 400 volts

d = 1.60 cm

r = 0.8 cm = 0.008 m

using debroglie equation

e V = 1 / 2 m v2

1.6 X 10-19 X 400 = 0.5 X 9.1 X 10-31 X v2  

v2 = 6.4 X 10-17 / 4.55 X 10-31

v2 = 1.4065 X 1014

v = 11.8595 X 106 m/sec

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