1 The Phosphorus atom becomes A a postive ion B a hole C an

1. The Phosphorus atom becomes

A. a postive ion

B. a hole

C. an electron

D. a negative ion

2. A typical circuit application of Zener Diode is a(n)

A. half-wave rectifer

B. Voltage controlled switch

C. reference voltage

D. Full-wave rectifer

3. The characteristics of an ideal diode are those of a switch that can conduct current

A. in both directions.

B. in one direction only.

C. in both directions but in only one direction at a time

D. in a direction that depends on the voltage

5. When a BJT is saturated

A. The base-emitter junction is reverse biased and the base collector junction is forward biased

B. the base-emitter junction is forward biased and the base collector juntion is forward biased

C. The base-emitter junction is forward biased and the base collector junction is reverse biased

D. The base-emitter junction is reverse biased and the base collector junction is reverse biased.

1 ans) D------negative ion

2 ans) C-------Reference Voltage

3 ans) B-------In one direction only

5 ans) B----Both base-emitter and base-collector junction is forward biased