The biasing circuit has a stability factor of 50. If due to temperature change, ICBO changes by 1 µA, then IC will change by___________________?
(A) 100 µA
(B) 25 µA
(C) 20 µA
(D) 50 µA
If the maximum collector current due to signal alone is 3 mA, then zero signal collector current should be at least equal to___________________?
(A) 6 mA
(B) mA
(C) 3 mA
(D) 1 mA
The circuit that provides the best stabilization of operating point is___________________?
(A) Base resistor bias
(B) Collector feedback bias
(C) Potential divider bias
(D) None of the above
Transistor biasing is generally provided by a_______________?
(A) Biasing circuit
(B) Bias battery
(C) Diode
(D) None of the above
Transistor biasing is done to keep _____________in the circuit?
(A) Proper direct current
(B) Proper alternating current
(C) The base current small
(D) Collector current small
In a transistor amplifier circuit VCE = VCB +________________?
(A) VBE
(B) 2VBE
(C) 5 VBE
(D) None of the above
The stability factor of a collector feedback bias circuit is_______________ that of base resistor bias?
(A) The same as
(B) More than
(C) Less than
(D) None of the above
If the temperature increases, the value of VCE_________________?
(A) Remains the same
(B) Is increased
(C) Is decreased
(D) None of the above
The value of stability factor for a base resistor bias is________________?
(A) RB (ß+1)
(B) (ß+1)RC
(C) (ß+1)
(D) 1-ß
In voltage divider bias, VCC = 25 V; R1 = 10 kO; R2 = 2.2 V ; RC = 3.6 V and RE =1 kO. What is the emitter voltage?
(A) 7 V
(B) 3 V
(C) V
(D) 8 V