The coaxial power cable has a central wire with radius centimeters. It is insulated from a surrounding shield with inside radius centimeters. The maximum voltage the

Question

cable can withstand is called the breakdown voltage V of the insulation. V is given by the formula

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where E is the dielectric strength of the insulation. If volts/centimeter, find V.

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Please enter answer as a number without the units, rounded to the nearest hundred.



Fill in the blank(s) with the appropriate word(s).

Answer 1

280,200