50 pF
100 pF
150 pF
200 pF
Answer is Right!
Answer is Wrong!
Electrostatics
22. The dielectric constant (relative permittivity) of glass is given by
0.1 to 0.4
0.5 to 1.0
2.0 to 4.0
5 to 100
Answer is Right!
Answer is Wrong!
Detailed SolutionThe dielectric constant (relative permittivity) of glass is given by
23. The electric field at a point situated at a distance d from straight charged conductor is
proportional to d
inversely proportional to d
inversely proportional to d
none of the above
Answer is Right!
Answer is Wrong!
24. Which of the following capacitors will have the least variation?
Paper capacitor
Ceramic capacitor
Silver plated mica capacitor
None of the above
Answer is Right!
Answer is Wrong!
Detailed SolutionWhich of the following capacitors will have the least variation?
25. In a capacitive circuit
a steady value of applied voltage causes discharge
an increase in applied voltage makes a capacitor charge
decrease in applied voltage makes a capacitor charge
none of the above
Answer is Right!
Answer is Wrong!
26. In the case of a lossy capacitor, its series equivalent resistance value will be
small
very small
large
zero
Answer is Right!
Answer is Wrong!
Detailed SolutionIn the case of a lossy capacitor, its series equivalent resistance value will be
27. A capacitor consists of
two insulators separated by a conductor
two conductors separated by an insulator
two insulators only
two conductors only
Answer is Right!
Answer is Wrong!
28. Dielectric strength of medium
increases with rise in temperature
increases with moisture content
is same for all insulating materials
none of the above
Answer is Right!
Answer is Wrong!
29. Electric intensity at any point in an electric field is equal to the at that point.
electric flux
magnetic flux density
potential gradient
none of the above
Answer is Right!
Answer is Wrong!
Detailed SolutionElectric intensity at any point in an electric field is equal to the at that point.
30. is that property of a capacitor which delays any change of voltage across it.
Inductance
Capacitance
Potential gradient
None of the above
Answer is Right!
Answer is Wrong!
Detailed Solutionis that property of a capacitor which delays any change of voltage across it.