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QUIZ 1

Total questions: 10

Worksheet time: 5mins

Name
Class
Date
1.

The region around the junction with no free charge carriers is called

a)

neutral region

b)

conduction region

c)

depletion region

d)

ionisation region

2.

when the PN junction is reverse biased

a)

current increases rapidly

b)

barrier potential decreases

c)

depletion region widens

d)

junction conducts heavily

3.

A Rectifier converts

a)

AC to DC

b)

DC to AC

c)

DC to DC

d)

AC to AC

4.

The device used in Rectifiers is

a)

Transistor

b)

Diode

c)

Zener diode

d)

Thyristor

5.

The main advantage of a bridge rectifier over a centre tapped rectifier is

a)

Higher efficiency

b)

No center tapped transformer required

c)

More diodes used

d)

Lower output voltage

6.

A zener diode is designed to operate in which region

a)

Forward bias region

b)

cutoff region

c)

saturation region

d)

Reverse bias breakdown region

7.

The zener diode maintains a constant

a)

current

b)

power

c)

resistance

d)

voltage

8.

Zener diode is always connected in

a)

Series with load

b)

either bias

c)

reverse bias

d)

forward bias

9.

The component that opposes the flow of current in a circuit is called

a)

Inductor

b)

capacitor

c)

Resistor

d)

Transformer

10.

The inductor stores energy in the form of

a)

Electric field

b)

Heat

c)

Magnetic field

d)

charge