At what frequency does a 10-?F capacitor have a reactance of 1200 ??
A) 83 Hz B) 42 Hz C) 13 Hz D) 60 Hz
C
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The dielectric _________is the maximum static electric field that the material can withstand without dielectric breakdown.
Fill in the blank(s) with the appropriate word(s).
Three identical point charges (+2.0 nC) are placed at the corners of an equilateral triangle with sides of 2.0-m length. If the electric potential is taken to be zero at infinity, what is the potential at the midpoint of any one of the sides of the triangle?
A. 16 V B. 10 V C. 70 V D. 46 V E. 44 V
Why is Jupiter (in our solar system) not considered to be a "hot Jupiter"?
What will be an ideal response?
An image of the American flag cast by a simple lens finds red and blue colors at slightly different distances from the lens. The color closest to the lens is
A) red. B) blue. C) both at the same place