Top 350+ Solved Electromagnetics MCQ Questions Answer
Q. The free electrons in practical dielectrics are due to
a. there are no free electrons
b. conductors
c. impurities
d. displacement currents
Q. Paper capacitor is a type of _
a. fixed capacitor
b. variable capacitor
c. either fixed or variable depending on its usage
d. neither fixed nor variable
Q. A capacitor using chemical reactions to store charge is _
a. paper capacitor
b. ceramic capacitor
c. polyester capacitor
d. electrolyte capacitor
Q. Which, among the following, is the odd one out?
a. ceramic capacitor
b. electrolyte capacitor
c. tuning capacitor
d. paper capacitor
Q. In a variable capacitor, capacitance can be varied by
a. turning the rotatable plates in or out
b. sliding the rotatable plates
c. changing the plates
d. changing the material of plates
Q. The simplest kind of capacitor is _
a. ceramic capacitor
b. electrolyte capacitor
c. tuning capacitor
d. paper capacitor
Q. Capacitor preferred when there is high frequency in the circuits is _
a. electrolyte capacitor
b. mica capacitor
c. air capacitor
d. glass capacitor