Electromagnetic Theory MCQs | Electromagnetic Theory Multiple Choice Questions and Answers
Questions
1
For Making A Capacitor, It Is Better To Select A Dielectric Having
Answer: High Permittivity
2
The Electric Field At A Point Situated At A Distance D From Straight Charged Conductor Is
Answer: Inversely Proportional To D
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4
Which Of The Following Statement Is True ?
Answer: The Current In The Dicharging Capacitor Grows Exponentially
6
Which Of The Following Capacitors Will Have The Least Variation ?
Answer: Silver Plated Mica Capacitor
7
Which Of The Following Statements Is Incorrect ?
Answer: The Stored Energy In A Capacitor Decreases With Reduction In Value Of Capacitance
8
The Sparking Between Two Electrical Contacts Can Be Reduced By Inserting A
Answer: Capacitor In Parallel With Contacts
9
When A Dielectric Slab Is Introduced In A Parallel Plate Capacitor, The Potential Difference Between Plates Will
Answer: Decrease
10
Capacitance Increases With
Answer: Increase In Plate Area And Decrease In Distance Between The Plates
11
The Absolute Permittivity Of Free Space Is Given By
Answer: 8.854 X 1(T10 F/M)
12
The Capacitor Preferred For High Frequency Circuits Is
Answer: Mica Capacitor
13
Which Capacitor Will Be Physically Smaller For The Same Ratings ?
Answer: Ceramic Capacitor
16
The Capacitance Between Two Plates Increases With
Answer: Larger Plate Area And Shorter Distance Between Plates
17
The Bridge Used For The Measurement Of The Value Of The Capacitance Is
Answer: Schering Bridge
18
73. The Presence Of An Uncharged Conductor Near A Charged One Increases The
Answer: Capacity Of The Charged Conductor
19
For A Good 0.05 Uf Capacitor Ohmmeter Reading Should
Answer: Show Low Resistance Momentarily And Back Off To A Very High Resis¬Tance
20
Which Of The Following Statements Is Correct ?
Answer: Electrolytic Capacitors Must Be Connected In Correct Polarity
