WorksheetsElectronic components 2
Total questions: 10
Worksheet time: 5mins
What are the three terminals found on a thyristor?
base, collector, emitter
anode, cathode, gate
gate, source, drain
base, source, emitter
What symbol and component is shown here?
transistor
thyristor
light dependant transistor
field effect transistor
What type of semiconductor device is shown here?
opto-coupler
thyristor
photo transistor
field effect transistor
What is the name of the missing connection on this diode schematic?
anode
source
drain
cathode
Transistors are primarily used in which one of the following applications?
analogue conversion
switching
DC to AC conversion
signal conditioning
TRIACs have three connections. What are they called?
anode, cathode and gate
gate, source and drain
collector, emitter, base
MT1, MT2 and gate
Thyristors have three connections. What are they called?
gate, source and drain
anode, cathode and gate
positive, negative and earth
collector, emitter, base
What name is given to the component that performs the same function as a bi-directional zener diode?
FET
Diac
IC
Triac
How is a thyristor switched on?
pulse the gate with a voltage
remove the voltage to the gate
switch off the current flow through the anode/cathode
apply a continuous voltage to the gate
What type of semiconductor switching device is shown here?
thyristor
photo transistor
opto-coupler
field effect transistor
