Two oppositely charged but otherwise identical conductingplates of area 2.50 square centimeters are separated by adielectric 1.80 millimeters thick, with a dielectric constant ofk=3.60. the resultant electric field in the dielectric is1.20 imes 10^{6} volts per meter. a) compute the magnitude of the charge per unit areasigma on the conducting plate. b) compute the magnitude of the charge per unit areasigma_1 on the surfaces of the dielectric. c) find the total electric-field energy u stored in the capacitor.

If its history of, then b) because a) implies only present day (now)...

Physics, 16.07.2019 02:30 dodsonh16

Two oppositely charged but otherwise identical conductingplates of area 2.50 square centimeters are separated by adielectric 1.80 millimeters thick, with a dielectric constant ofk=3.60. the resultant electric field in the dielectric is1.20 \times 10^{6} volts per meter.
a) compute the magnitude of the charge per unit areasigma on the conducting plate.
b) compute the magnitude of the charge per unit areasigma_1 on the surfaces of the dielectric.
c) find the total electric-field energy u stored in the capacitor.

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