If voltage across capacitor with dielectric (k=5) is 20V. Find energy stored in it (given `epsilon_0 = 9 xx 10^-12 C^2/N-m^2)`

The potential difference between the plates of a parallel plate capacitor is 10V and separation is 5 cm. Find the energy density between plates. ( epsilon_0=10^(-11) F/m)

A dielectric of thickness 5cm and dielectric constant 10 is introduced between the plates of a parallel plate capacitor having plate area 500 sq. cm and separation between the plates 10cm. The capacitance of the capacitor with dielectric slab is (epsi_(0) = 8.8 xx 10^(-12)C^(2)//N-m^(2))

A cube of marble having each side 1 cm is kept in an electric field of intensity 300 V/m. Determine the energy contained in the cube of dielectric constant 8. [Given : epsilon_(0) =8.85 xx 10^(-12) C^(2)//Nm^(2) ]

A capacitor of capacitance C=15pF is charged with voltage V=500V . The electric field inside the capacitor with dielectric is 10^(6)V//m and the area of the plate 10^(-4)m^(2) , then the dielectric constant of the medium is : (._(epsilon0)=8.85xx10^(-12) in S.I units) (A) 12.47 (B) 8.47 (C) 10.85 (D) 14.85

Three particles, each having a charge of 10 mu C are placed at the coners of an equilateral triangle of side 10 cm . The electrostatic potential energy of the system is (Given (1)/(4pi epsilon_(0)) = 9 xx 10^(9)N-m^(2)//C^(2))

Voltage rating of a parallel plate capacitor is 500V. Its dielectric can withstand a maximum electric field of 10^(6)V//m . The plate area is 10^(-4)m^(2) . What is the dielectric constant if the capacitance is 15pF? (given in_(0)=8.86xx10^(-12)C^(2)//Nm^(2) )

If the potential difference across a capacitor is increased from 10V to 30V, then the energy stored with the capacitor.

A parallel-plate air capacitor of plate separation 2mm and capacitance 1muF is charged to 100V. A dielectric slab of relative permittivity 50 is now inserted so as to fill the space between the plates. (i)Find the polarisation charge on one of the boundaries of the dielectric slab. (ii) Find the magnitude of the polarisation of the dielectric slab. (epsilon_(0) = 8.85 xx 10^(-12) C^(2)//N.m^(2))

Two capacitors of equal capacitance ( C_1 = C_2 ) are shown in the figure. Initially, while the switch S is open, one of the capacitors is uncharged and the other carries charge Q0. The energy stored in the charged capacitor is U0. Sometimes after the switch is colsed, the capacitors C_1 and C_2 carry charges Q_1 and Q_2, respectively, the voltages across the capacitors are V_1 and V_2 , and the energies stored in the capacitors are U_1 and U_2 . Which of the following statements is INCORRECT ?