Curioustab

Home » Electronics and Communication Engineering » Materials and Components

Figure shows a composite capacitor. If CA, CB, CC are the capacitances of capacitors A, B, C, the overall capacitance C is

C = CA + CB + CC
C = (CA + CB) CC
C =
C =

Correct Answer: C =

Explanation:

B and C are in series and A is in parallel with this combination.

← Previous Question Next Question→

More Questions from Materials and Components

Assertion (A): In some materials, ∈r is independent of temperature while in others, ∈r depends on temperature. Reason (R): If permanent dipoles are absent, ∈r varies with temperature.
The direction of force an a conductor carrying current and lying in a magnetic field can be found by using
The real part of complex dielectric constant and tanδ for a dielectric are 2.1 and 5 x 10-4 at 100 Hz respectively. The imaginary part of dielectric constant at 100 Hz is
A single layer air cored coil has n turns and inductance L. If a new coil is formed by having 2n turns while keeping the coil length and diameter the same, the new inductance is
In anti-ferromagnetic materials, the graph of susceptibility versus temperature shows a sharp maximum at a certain temperature. This temperature is known as
When the atom of rare gas is placed in an electric field the nucleus shifts from the centre of electron cloud by an amount x. If the radius of electron cloud is R, then
The units for electric dipole moment are
For a superconductor, the relative permeability is
Assertion (A): Copper is a good conductor of electricity. Reason (R): Copper has a face centred cubic lattice.
The wavelength of light emitted by GaAs laser is 8670 x 10-10 m. If h = 6.626 x 10-34 Js, velocity of light = 3 x 108 m/s and eV = 1.602 x 10-19 J, the energy gap in GaAs is

Discussion & Comments

No comments yet. Be the first to comment!

Join Discussion