- (A) Holes can exist in certain semiconductors only
- (B) Holes can exist in any material including conductors
- (C) Holes may constitute an electric current
- (D) Holes can be considered as a net positive charge
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- (A) insulator
- (B) metal
- (C) intrinsic semiconductor
- (D) none of the above
- (A) zero
- (B) one
- (C) negative
- (D) more than one
- (A) Age hardening
- (B) Alloying
- (C) Temperature
- (D) Cold work
- (E) All of the above
- (A) smoky and dirty atmosphere
- (B) humidity in the atmosphere
- (C) both (A) and (b)
- (D) neither (A) nor (b)
- (A) electrons only
- (B) positive ions only
- (C) negative ions only
- (D) positive and negative ions
- (E) none of the above
- (A) decrease dielectric constant
- (B) decrease dielectric strength
- (C) decrease insulation resistance
- (D) increase dielectric loss
- (E) all of the above
- (A) large
- (B) small
- (C) nil
- (D) any of the above
- (A) non-linear conductor
- (B) reverse conductor
- (C) bad-conductor
- (D) non-conductor
- (A) low power factor
- (B) high power factor
- (C) high over load capacity
- (D) any of the above
