Is this a true and false question?
The answer is B because oil = blockage of air and it pressures the water to be density of 0.90
Answer:
The gravitational force becomes 4 times i.e 400N
Explanation:
Answer:
V = 575.6 Volts
Explanation:
As we know that surface area of the equi-potential surface is given as

so we will say



Now the potential due to a point charge is given as


