Curioustab
Aptitude
General Knowledge
Verbal Reasoning
Computer Science
Interview
Take Free Test
Aptitude
General Knowledge
Verbal Reasoning
Computer Science
Interview
Take Free Test
Home
»
Electronics and Communication Engineering
»
Materials and Components
The capacitance of an insulated conducting sphere of radius R in vacuum is
2p∈0R
4p∈0R
4p∈0R2
4p
Correct Answer:
4p∈0R
← Previous Question
Next Question→
More Questions from
Materials and Components
Thermistor is used in
The hysteresis loss is
Resistivity of rubber is about
In terms of classical representation of electrons
Some typical examples of macroscopic quantities are
Assertion (A): For a magnetic material M = (μr - 1) H, where M is magnetic dipole moment/m3, H is field intensity A/m and μr is relative permeability. Reason (R): μr can have any value from 0 to hundreds of thousands.
For small size high frequency coils, the most common core material is
High frequency inductors and capacitors are commonly plated with silver. The main purpose of this is to
Nichrome is used for
Assertion (A): Metals are better heat conductors than insulators. Reason (R): If is temperature gradient, Q is heat flow density and K is thermal conductivity, then Q = - K (dT/dx).
Discussion & Comments
No comments yet. Be the first to comment!
Name:
Comment:
Post Comment
Join Discussion
Discussion & Comments