- (A) antimony
- (B) phosphorus
- (C) aluminium
- (D) arsenic
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- (A) minority carriers
- (B) majority carriers
- (C) holes
- (D) electron
- (A) n-carriers only
- (B) p-carriers only
- (C) p-carriers and n-carriers respectively
- (D) n-carriers and p-carriers respectively
- (A) Logic gates
- (B) Boolean algebra
- (C) Amplifier gain
- (D) Logic functions
- (A) Increases
- (B) Decreases
- (C) Remains same
- (D) No effect
- (A) 2
- (B) 3
- (C) 4
- (D) 5
- (A) Step up transformer
- (B) Step down transformer
- (C) Three diodes in common
- (D) Triode vacuum tube
- (A) Non-inverting voltage at output
- (B) Reference voltage on the other
- (C) Virtual input
- (D) Output
- (A) A very high input impedance
- (B) A very low input impedance
- (C) A low output impedance
- (D) None of the above
- (A) That the emitter be heated
- (B) That the base be heated
- (C) That the collector be heated
- (D) None of the above

