Practice Test: Question Set - 10
1. To prevent the generation of static charges on rubber or flat leather
- (A) Surface is moistened
- (B) Conductive dressing is done
- (C) Oil compound dressing is done
- (D) Talcum powder is sprayed on the surface
2. Is that property of a capacitor which delays any change of voltage across it.
- (A) Inductance
- (B) Capacitance
- (C) Potential gradient
- (D) None of the above
3. Capacitors can be used only for D.C.
- (A) Air
- (B) Paper
- (C) Mica
- (D) Electrolytic
4. If a 6 uF capacitor is charged to 200 V, the charge in coulombs will be
- (A) 800 uC
- (B) 900 uC
- (C) 1200 uC
- (D) 1600 uC
5. Which of the following statements is incorrect?
- (A) The leakage resistance of ceramic capacitors
is generally high
- (B) The stored energy in a capacitor decreases with
reduction in value of capacitance
- (C) The stored energy in a capacitor increases with
applied voltage
- (D) A wire cable has distributed capacitance
between the conductors
6. The units of capacitance are
- (A) Volts/coulomb
- (B) Coulombs/volt
- (C) Ohms
- (D) Henry/Wb
7. The lines of force due to charged particles are
- (A) Always straight
- (B) Always curved
- (C) Sometimes curved
- (D) None of the above
8. A paper capacitor is usually available in the form of
- (A) Tubes
- (B) Rolled foil
- (C) Disc
- (D) Meshed plates
9. ________field is associated with the capacitor.
- (A) Electric
- (B) Magnetic
- (C) Both (A) and (B)
- (D) None of the above
10. The presence of an uncharged conductor near a charged one increases the
- (A) Charge of the charged conductor
- (B) Capacity of the charged conductor
- (C) Potential of the charged conductor
- (D) All of the above
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