[amp_mcq option1=”50 pF” option2=”100 pF” option3=”150 pF” option4=”200 pF” correct=”option2″]
Electrostatics
22. The dielectric constant (relative permittivity) of glass is given by
[amp_mcq option1=”0.1 to 0.4″ option2=”0.5 to 1.0″ option3=”2.0 to 4.0″ option4=”5 to 100″ correct=”option3″]
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
[amp_mcq option1=”proportional to d” option2=”inversely proportional to d” option3=”inversely proportional to d” option4=”none of the above” correct=”option2″]
24. Which of the following capacitors will have the least variation?
[amp_mcq option1=”Paper capacitor” option2=”Ceramic capacitor” option3=”Silver plated mica capacitor” option4=”None of the above” correct=”option3″]
Detailed SolutionWhich of the following capacitors will have the least variation?
25. In a capacitive circuit
[amp_mcq option1=”a steady value of applied voltage causes discharge” option2=”an increase in applied voltage makes a capacitor charge” option3=”decrease in applied voltage makes a capacitor charge” option4=”none of the above” correct=”option2″]
26. In the case of a lossy capacitor, its series equivalent resistance value will be
[amp_mcq option1=”small” option2=”very small” option3=”large” option4=”zero” correct=”option3″]
Detailed SolutionIn the case of a lossy capacitor, its series equivalent resistance value will be
27. A capacitor consists of
[amp_mcq option1=”two insulators separated by a conductor” option2=”two conductors separated by an insulator” option3=”two insulators only” option4=”two conductors only” correct=”option1″]
28. Dielectric strength of medium
[amp_mcq option1=”increases with rise in temperature” option2=”increases with moisture content” option3=”is same for all insulating materials” option4=”none of the above” correct=”option4″]
29. Electric intensity at any point in an electric field is equal to the at that point.
[amp_mcq option1=”electric flux” option2=”magnetic flux density” option3=”potential gradient” option4=”none of the above” correct=”option3″]
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.
[amp_mcq option1=”Inductance” option2=”Capacitance” option3=”Potential gradient” option4=”None of the above” correct=”option1″]
Detailed Solutionis that property of a capacitor which delays any change of voltage across it.