A capacitor of capacitance 5μF is charged to 50 V and another capacitor of capacitance 7μF is charged to 42 V. These two are connected together. On doing so, what is the energy lost by the 5μF capacitor?

MCQs on electrostatic potential, potential due to point charge and electric dipole, equipotential surfaces, potential energy in external field, conductors electrostatics, dielectrics, polarisation, capacitors, capacitance, parallel plate capacitor, dielectric capacitance effects, capacitors combination and van de graff generator.