Practice Test: Question Set - 09
1. A unit tube of flux is known as tube
- (A) Newton
- (B) Faraday
- (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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