A `15pF` capacitor is connected to a `60V` battery.How much electrostatic energy is stored? (A)` 2.70times10^(-8)J` (B) `1.77times10^(-8)J` (C) `2.35times10^(-8)J` (D) `1.35times10^(-8)J`

A 2muF capacitor is connected to a 10 V battery. What is the electrostatic energy stored in the capacitor?

The average thermal energy of oxygen at a temperature of 27C (А) 6.2times10^(-21) J (В) 4.5times10^(-21) J (C) 3.5times10^(-21) J (D) 1.2times10^(-21) J

What will be the angular momentum of a electron,if energy of this electron in H-atom is 1.5eV (in J-sec) (A) 1.05times10^(-34) (B) 2.1times10^(-34) (C) 3.15times10^(-34) (D)-2.1times10^(-34)

A variable capacitor is kept connected to a 10V battery.If the capacitance of the capacitor is changed from 7 mu F to 3 mu F .the work done is x times10^(-4) J.What is the value of x ?

The potential energy of a satellite is -8times10^(4)J ,then what is its binding energy?

" Wavelength associated with a Helium atom moving with a velocity of "10^(5)cms^(-1)" is (Atomic mass of "He=4amu;N=6times10^(23);h=6.625times10^(-34)J_(8)" ) "

Express the following mathematical operations in scientific notation (1) (7.7 xx 10^(4))+ (0.77 xx 10^(5)) (2) (8.7 xx 10^(4))/(0.77 xx 10^(5))

The electrostatic energy of 4 xx 10^(-6) J is stored in a capacitor at 100 V. What is the charge on the capacitor?