
EC 311 Q1
Authored by Rosanna Ucat
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30 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which terminal does not belong to the SCR?
Anode
Gate
Base
Cathode
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Choose the false statement.
SCR is a bidirectional device
SCR is a controlled device
In SCR the gate is the controlling terminal
SCR are used for high-power applications
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the SCR structure the gate terminal is located
near the anode terminal
near the cathode terminal
in between the anode & cathode terminal
none of the mentioned
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If the cathode of an SCR is made positive with respect to the anode & no gate current is applied then
all the junctions are reversed biased
all the junctions are forward biased
only the middle junction is forward biased
only the middle junction is reversed biased
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
For an SCR in the reverse blocking mode, (practically)
leakage current does not flow
leakage current flows from anode to cathode
leakage current flows from cathode to anode
leakage current flows from gate to anode
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
With the anode positive with respect to the cathode & the gate circuit open, the SCR is said to be in the
reverse blocking mode
reverse conduction mode
forward blocking mode
forward conduction mode
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
The forward break over voltage is the
anode-cathode voltage at which conduction starts with gate signal applied
anode-cathode voltage at which conduction starts with no gate signal applied
gate voltage at which conduction starts with no anode-cathode voltage
gate voltage at which conduction starts with anode-cathode voltage applied
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