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Diode

Total questions: 12

Worksheet time: 12mins

Name
Class
Date
1.

Component that Convert AC to DC and allow current to flow in one Direction

a)

Capacitor

b)

Diode

c)

Inverter

d)

Resistor

2.

Anode is _________ Polarity in diodes

a)

Negative

b)

Positive

c)

Ground

d)

Hot Side

3.

What type of diode is this?

a)

silicon

b)

LED

c)

Zener

d)

Mylar

4.

Diode has polarity

a)

anode and cathode

b)

on and off

c)

output and input

d)

none of the above

5.

The region on either side of the junction which becomes free from the mobile charge carriers is called

a)

Energy gap region

b)

Charge free region

c)

Diffusion region

d)

Depletion region

6.

Characteristics of a diode that helps in rectification

a)

Allows Unidirectional flow of current

b)

Allows Bidirectional flow of current

c)

Opposes the flow of current

d)

conducts in reverse biased

7.

In the forward bias arrangement of a p-n junction diode,

a)

the n-end is connected to the positive terminal of the battery

b)

the p-end is connected to the positive terminal of the battery

c)

the direction of current is from n-end to p-end in the diode

d)

the p-end is connected to the negative terminal of the battery

8.

which statement is correct? (the dark circles represent the electrons)

a)

p-type of the diode is connected to the negative terminal.

b)

Electron moves across the p-n junction, makes the diode forward biased

c)

current will not flow in the circuit

d)

reverse biased circuit

9.

In the forward bias arrangement of a p-n junction diode,

a)

the n-end is connected to the positive terminal of the battery

b)

the p-end is connected to the positive terminal of the battery

c)

the direction of current is from n-end to p-end in the diode

d)

the p-end is connected to the negative terminal of the battery

10.
3. Which of the following is a pentavalent impuity added while forming an extrinsic semiconductor ?
a)
(a) Boron 
b)
Arsenic
c)
Indium
d)
Gallium
11.
The reverse saturation current in a PN Junction diode is only due to 
a)
majority carriers
b)
minority carriers
c)
acceptor ions
d)
donor ions
12.

The process of adding an impurity to an intrinsic semiconductor is called

a)

Doping

b)

Ionization

c)

Recombination

d)

Atomic modification