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Industrial Electronics Quiz - Diode & IGBT

Total questions: 10

Worksheet time: 8mins

Name
Class
Date
1.

Find the odd one

a)

Schottky Diode

b)

Zener Diode

c)

General Purpose Diode

d)

Fast Recovery Diode

2.

IGBT full form?

a)

Insulated Gate Bipolar Transistor

b)

Isolated Gate Bipolar Transistor

c)

Intrensic Gate Bipolar Transistor

d)

Isolated Gate Bivalent Transistor

3.

IGBT is made by combining

a)

Transistor and Diode

b)

MOSFET and Diode

c)

Transistor and MOSFET

d)

MOSFET and Transistor

4.

Which are the terminals of IGBT

a)

anode, cathode and gate

b)

Emitter, Collector and Base

c)

Emitter, Collector and Gate

d)

Drain, Source and Gate

5.

Comment on the figure

a)

for a diode, trr will be less if forward current is less

b)

trr is independent on the forward current

c)

ta will be same for any value of forward current

d)

ta and tb will be same always

6.

An IGBT is also know as

a)

MOIGT (Metal oxide insulated gate transistor)

b)

COMFET (Conductively modulated FET)

c)

GEMFET (Grain modulated FET)

d)

All of the mentioned

7.

IGBT possess

a)

low input impedanc

b)

high input impedance

c)

high on-state resistance

d)

second breakdown problems

8.

The controlling parameter in IGBT is ______

a)

Gate current

b)

Gate Emitter Voltage

c)

Load current

d)

VCE

9.

In IGBT, the n– layer above the p+ layer is called as

a)

Drift layer

b)

Injection layer

c)

Body layer

d)

Collector Layer

10.

The major drawback of the first generation IGBT is

a)

latch-up problems

b)

noise & secondary breakdown problems

c)

sluggish operation

d)

latch-up & secondary breakdown problems