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
When the graph between current through and voltage across a device is a straight line, the device is referred to as _______________?
(A) linear
(B) active
(C) nonlinear
(D) passive
The PIV rating of a crystal diode is _______________ that of equivalent vacuum diode
(A) the same as
(B) lower than
(C) more than
(D) none of the above
The leakage current in a crystal diode is due to _________________?
(A) minority carriers
(B) majority carriers
(C) junction capacitance
(D) none of the above