If two equipotent planes differ in potential by 1.0 volt, and the electric field between them is 20 N/C, what is the separation of the planes?
A. 20 cm
B. 0.050 cm
C. 5.0 cm
D. 2.0 cm
E. 4.0 cm
C. 5.0 cm
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a. True b. False Indicate whether the statement is true or false
A metal cylinder of radius 2.0 mm is concentric with another metal cylinder of radius 5.0 mm. If the space between the cylinders is filled with air and the length of the cylinders is 50 cm, the capacitance of the arrangement is
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