Electrical Engineering MCQs

Page No. 186

capacitors can be used only for D.C ?


aAir


b Paper


cMica


d Electrolytic


View Answer Electrolytic

The dielectric constant (relative permittivity) of glass is given by___________?


a 0.1 to 0.4


b0.5 to 1.0


c2.0 to 4.0


d5 to 100


View Answer 5 to 100

The electrostatic force between two charges of one coulomb each and placed at a distance of 0.5 m will be____________?


a 36 x 10fa


b 36 x 107 N


c36 x 108 N


d36 x 109 N


View Answer 36 x 109 N

Dielectric strength of mica is___________?


a10 to 20 kV/mm


b30 to 50 kV/mm


c 50 to 200 kV/mm


d300 to 500 kV/mm


View Answer 50 to 200 kV/mm

capacitors are mainly used for radio frequency tuning?


aPaper


bAir


cMica


dElectrolytic


View Answer Air

When the dielectric is homogeneous,the potential gradient is_____________?


auniform


b non-uniform


c zero


d any of the above


View Answer uniform

capacitors are used in transistor circuits?


a Ceramic


bPaper


cAir


d Electrolytic


View Answer Ceramic

The inverse of capacitance is called_______________?


areluctance


bconductance


c susceptance


delastance


View Answer elastance

____________field is associated with the capacitor?


aElectric


bMagnetic


cBoth (A) and (B)


dNone of the above


View Answer Electric

The total deficiency or excess of electrons in a body is known as____________?


acurrent


b voltage


cpotential gradient


dcharge


View Answer charge

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