ECE :: Materials and Components
-
Assertion (A): CO2 has no resultant dipole moment but CO has a dipole moment.
Reason (R): The structure of CO2 is O = C = O.
-
For a photoconductor with equal electron and hole mobilities and perfect ohmic contacts at the ends, an increase in intensity of optical illumination results in
-
A permeable substance is one
-
When subjected to alternating stresses, an insulating material is characterised by complex dielectric constant ∈'r - j∈"r . In such materials, the dielectric losses under alternating stress is proportional
-
The classes of solid dielectrics are
-
A 200 turn coil has a self inductance of 10 mH. If the number of turns is doubled, all other quantities remaining the same, the self inductance will be
-
A material which is lightly repelled by a magnetic field is known as
-
Which of the following is the poorest conductor of electricity?
-
The magnetic moment in units of Bohr magneton of a ferrous ion in any ferrite is
Whatsapp
Facebook
