WorksheetsBasic Electronics
Total questions: 10
Worksheet time: 5mins
The element that has the biggest size in a transistor is ………………..
collector
base
emitter
collector-base-junction
Which region of the transistor is highly doped?
a) Emitter
b) Base
c) Collector
d) Both Emitter and Collector
Which junction is forward biased when transistor is used as an amplifier?
a) Emitter-Base
b) Emitter-Collector
c) Collector-Base
d) No junction is forward biased
Both the junctions in a transistor are forward biased.
a) True
b) False
The P-N junction is a non-ohmic device.
a) True
b) False
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
When transistors are used in digital circuits they usually operate in the ………….
active region
breakdown region
saturation and cutoff regions
linear region
A current ratio of IC/IE is usually less than one and is called …………
beta
theta
alpha
omega
A collector characteristic curve is a graph showing ………..
emitter current (IE) versus collector-emitter voltage (VCE) with (VBB) base bias voltage held constant
collector current (IC) versus collector-emitter voltage (VCE) with (VBB) base bias voltage held constant
collector current (IC) versus collector-emitter voltage (VC) with (VBB) base bias voltage held constant
collector current (IC) versus collector-emitter voltage (VCC) with (VBB) base bias voltage held constant
Total emitter current is …………
IE – IC
IC + IE
IB + IC
IB – IC
