Electrostatics MCQ Theory Practice - Set 09 - ObjectiveBooks

# Practice Test: Question Set - 09

1. A unit tube of flux is known as tube
(A) Newton
(C) Michael
(D) None of the above

2. One volt is the same as
(A) One joule/coulomb
(B) One coulomb/joule
(C) One coulomb
(D) One joule

3. Which of the following capacitors preferred for high frequency circuits?
(A) Air capacitor
(B) Electrolytic capacitor
(C) Mica capacitor
(D) None of the above

4. Which is the most superior dielectric out of the following?
(A) Air
(B) Glass
(C) Bakelite
(D) Paper

5. The electric field intensity at a point situated 4 meters from a point charge is 200 N/C. If the distance is reduced to 2 meters, the field intensity will be
(A) 400 N/C
(B) 600 N/C
(C) 800 N/C
(D) 1200 N/C

6. Which of the following materials has the highest value of dielectric constant?
(A) Glass
(B) Vacuum
(C) Ceramics
(D) Oil

7. When 4 volts e.m.f. is applied across a 1 farad capacitor, it will store energy of
(A) 2 joules
(B) 4 joules
(C) 6 joules
(D) 8 joules

8. Capacitors are used in transistor circuits.
(A) Ceramic
(B) Paper
(C) Air
(D) Electrolytic

9. The property of a capacitor to store electricity is called its
(A) Capacitance
(B) Charge
(C) Energy
(D) None of the above

10. In order to remove static electricity from machinery
(A) Construct insulated cabins
(B) Insulate the machinery
(C) Ground the framework
(D) Humidify the surroundings

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