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Worksheetstransistor
Total questions: 11
Worksheet time: 6mins
In a transistor, signal is transferred from a …………… circuit
high resistance to low resistance
low resistance to high resistance
high resistance to high resistance
low resistance to low resistance
A heat sink is generally used with a transistor to …………
increase the forward current
decrease the forward current
compensate for excessive doping
prevent excessive temperature rise
The most commonly used semiconductor in the manufacture of a transistor is ………….
germanium
silicon
carbon
none of the above
The collector-base junction in a transistor has ……………..
forward bias at all times
reverse bias at all times
low resistance
none of the above
When transistors are used in switching circuits they usually operate in the ………….
active region
breakdown region
saturation and cutoff regions
linear region
Beta’s current ratio is ……..
IC/IB
IC/IE
IB/IE
IE/IB
When a silicon diode is forward biased, VBE for a CE configuration is ……..
voltage-divider bias
0.4 V
0.7 V
emitter voltage
Total emitter current is …………
IE – IC
IC + IE
IB + IC
IB – IC
Operating point represents …………..
Values of IC and VCE when signal is applied
The magnitude of signal
Zero signal values of IC and VCE
None of the above
If biasing is not done in an amplifier circuit, it results in ……………
Decrease in the base current
Unfaithful amplification
Excessive collector bias
None of the above
Transistor biasing is generally provided by a …………….
Biasing circuit
Bias battery
Diode
None of the above
