_______mm 2) In the diagram below each unit on the horizontal axis is 2.00 cm an
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Question
_______mm
2) In the diagram below each unit on the horizontal axis is 2.00 cm and each unit on the vertical axis is 2.00 cm. The equipotential lines in a region of uniform electric field are indicated by the blue lines. (Note that the diagram is not drawn to scale.)
a) Determine the magnitude of the electric field in this region.
______V/m
b) Determine the shortest distance for which the change in potential is 3 V.
______mm
You need to design a capacitor capable of storing 5.0 times 10-7 C of charge. At your disposal, you have a 100 V power supply and two metal plates, each of area 0.250 m2 each. What is the limit of the separation of the plates? _______mm In the diagram below each unit on the horizontal axis is 2.00 cm and each unit on the vertical axis is 2.00 cm. The equipotential lines in a region of uniform electric field are indicated by the blue lines. (Note that the diagram is not drawn to scale.)Explanation / Answer
1)
C =Q/V = 5e-7/100 = 5e-9 F
C = k e0 A/d
==< d = ke0A/C = 8.85e-12*0.250/5e-9 = 4.43 x 10^-4 m
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