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Resistor Color Code Quiz

Total questions: 10

Worksheet time: 5mins

Name
Class
Date
1.

Which diode is used in solar cells?

a)

Photodiode

b)

Zener Diode

c)

Light Emitting Diode (LED)

d)

Standard Diode

2.

What is the result of only one half of the input waveform reaching the output in half wave rectification?

a)

Increased mean voltage

b)

Lower mean voltage

c)

No change in voltage

d)

Higher frequency

3.

What is the effect of half wave rectification on the mean voltage?

a)

It increases the mean voltage

b)

It decreases the mean voltage

c)

It has no effect on the mean voltage

d)

It doubles the mean voltage

4.

Which component is essential for half wave rectification in a single-phase supply?

a)

Transformer

b)

Resistor

c)

Diode

d)

Capacitor

5.

What is the purpose of using a bridge configuration in rectification?

a)

To reduce voltage

b)

To increase current

c)

To convert both polarities

d)

To eliminate noise

6.

Which of the following is a characteristic of a TRIAC?

a)

It can conduct current in both directions.

b)

It only conducts current in one direction.

c)

It is used for DC circuits only.

d)

It is primarily used for signal amplification.

7.

Which terminal of a thyristor is used to trigger it?

a)

Anode

b)

Cathode

c)

Gate

d)

Base

8.

Which of the following is NOT a terminal of a thyristor?

a)

Anode

b)

Cathode

c)

Gate

d)

Emitter

9.

What is the primary application of a thyristor?

a)

Signal processing

b)

Power control

c)

Data storage

d)

Light emission

10.

What is the role of the anode in a thyristor?

a)

To emit electrons

b)

To control the gate

c)

To allow current flow

d)

To store charge