Where should the pen be placed for it to look the biggest? (and not be blurred)
Beyond near point
At near point
Between near point and eye
None of these
Think for 30 seconds and try to figure it out. Then proceed to the next video for the explanation.
Two fixed point charges + 4ee and +e units are separated by a distance 'a'. Where should the third point charge be placed for it to be in equilibrium?
To charge q and minus 3 q are placed fixed on x-axis separately by a distance D where should the third charge2q be placed such that it will not experience any force