UT The three diagrams show electric field lines around a pair of like charges. Which diagram shows a net force of zero
on the charge placed at point X?
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Х
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One
X
O
Intro
Done

When a neutral charge, comes into contact with a positive charge they repel each other nothing happens the neutral charge becomes negative they attract each other

In a system, when potential energy decreases, then entropy also decreases. true false

An ideal polarizer with its transmission axis rotated 30 degrees to the vertical is placed in a beam of unpolarized light of intensity 10w/m^2. after passing through the polarizer, what is the intensity of the beam? a. 8.7 w/m^2 b. 7.5 w/m^2 c. 5.0 w/m^2 d. 10 w/m^2 e. 2.5 w/m^2