- (A) surface is moistened
- (B) conductive dressing is done
- (C) oil compound dressing is done
- (D) talcum powder is sprayed on the surface
Electrical Engineering Mcqs
- (A) the uncharged conductor gets charged by conduction
- (B) the uncharged conductor gets charged by induction and then attracted towards the charging body
- (C) the uncharged conductor is attracted first and then charged by induction
- (D) it remains as such
- (A) always polarised
- (B) usually of fixed value
- (C) electrolytic condenser
- (D) a variable condenser
- (A) Aluminium foil capacitor
- (B) Mica capacitor
- (C) Ceramic capacitor
- (D) Paper capacitor
- (A) charge of the charged conductor
- (B) capacity of the charged conductor
- (C) potential of the charged conductor
- (D) all of the above
- (A) Mica capacitors are available in capacitance values of 5 to 20 uF
- (B) Air capapitors have a black band to indicate the outside foil
- (C) Electrolytic capacitors must be connected in correct polarity
- (D) Ceramic capacitors must be connected in correct polarity
- (A) show low resistance momentarily and back off to a very high resistance
- (B) show high resistance momentarily and then a very low resistance
- (C) go quickly to 50 ohm approximately and remain there
- (D) not move at all
- (A) infinity
- (B) few kilo ohms
- (C) few megohms
- (D) zero
- (A) low capacitance
- (B) fixed capacitance
- (C) variable capacitance
- (D) large value of capacitance
- (A) 5 times smaller than before
- (B) 5 times greater than before
- (C) 10 times greater than before
- (D) 25 times larger than before
