The arrow in the symbol of a transistor indicates the direction of____________?

A. Electron current in the emitter
B. Electron current in the collector
C. Hole current in the emitter
D. Donor ion current

Emitter follower is a _______________circuit?

A. Voltage feedback
B. Current feedback
C. Both voltage and current feedback
D. None of the above

An emitter follower has ______________input impedance?

A. Zero
B. Low
C. High
D. None of the above

The most commonly used semiconductor in the manufacture of a transistor is_____________?

A. Germanium
B. Silicon
C. Carbon
D. None of the above

If voltage feedback (negative) is applied to an amplifier, its output impedance ______________?

A. Remains the same
B. Is increased
C. Is decreased
D. None of the above

The voltage gain of an emitter follower is _____________?

A. Much less than 1
B. Approximately equal to 1
C. Greater than 1
D. None of the above

The collector-base junction in a transistor has___________?

A. Forward bias at all times
B. Reverse bias at all times
C. Low resistance
D. None of the above

A heat sink is generally used with a transistor to______________?

A. Increase the forward current
B. Decrease the forward current
C. Compensate for excessive doping
D. Prevent excessive temperature rise

Emitter follower is used for ________________?

A. Current gain
B. Impedance matching
C. Voltage gain
D. None of the above

In a transistor, signal is transferred from a___________circuit?

A. High resistance to low resistance
B. Low resistance to high resistance
C. High resistance to high resistance
D. Low resistance to low resistance