Capacitors & Dielectrics Mock Tests

Three capacitors C₁ = 2 μF, C₂ = 4 μF, and C₃ = 4 μF are connected as follows: C₁ is in series with the parallel combination of C₂ and C₃. The equivalent capacitance between the terminals is:

Three identical capacitors each of capacitance C are connected in parallel. Their equivalent capacitance is:

Two capacitors of capacitance 6 μF and 3 μF are connected in series. The equivalent capacitance is:

A capacitor of capacitance 100 μF is charged to a potential difference of 100 V. The energy stored in the capacitor is:

A spherical conductor of radius R₁ is charged to potential V. It is connected by a thin conducting wire to another uncharged spherical conductor of radius R₂. The final common potential is:

A parallel plate capacitor in air has a capacitance of 5 pF. If the distance between the plates is doubled and a dielectric material with dielectric constant K = 4 is introduced, the new capacitance will be:

A parallel plate capacitor with air between the plates has capacitance C₀. If a dielectric slab of constant K and thickness equal to the plate separation is inserted completely between the plates, the new capacitance becomes:

A parallel plate capacitor with air between the plates has capacitance 8 pF. If the distance between plates is halved and the space is filled with a dielectric of constant K = 6, the new capacitance is: