ELC801: Active components | Baamboozle - Baamboozle

The picture below shows a glowing diode. What type of diode is it?

B) LED

A) Zener Diode

C) Rectifier Diode

D) Photodiode

Observe the diagram showing a diode connected in reverse bias. What does this configuration represent?

A) Current blocked

B) Current flows easily

C) Short circuit

D) LED emits light

Observe the diagram showing a diode connected in forward bias. What does this configuration mean?

A) Current flows easily

B) Current is blocked

D) Acts as open circuit

C) Both directions conduct

Look at this image of a small black chip with multiple pins. What is this component?

C) Integrated Circuit (IC)

A) Resistor

B) Diode

D) LED

The symbol below has an arrow pointing inward to the emitter. What transistor type is this?

A) PNP

B) NPN

C) LED

D) IC

The symbol below has an arrow pointing outward from the emitter. Which transistor type is it?

B) NPN

A) PNP

C) FET

D) SCR

Look at the picture below. The component has three terminals: Base, Collector, and Emitter. What is it?

A) Transistor

B) Diode

C) IC

D) Resistor

Observe this circuit symbol. What type of circuit does it represent?

A) Full-Wave Rectifier

B) Half-Wave Bridge Rectifier

C) Voltage Regulator

D) Amplifier

Observe this circuit symbol. What type of circuit does it represent?

A) Half-Wave Rectifier

B) Full-Wave Bridge Rectifier

C) Voltage Regulator

D) Amplifier

Look at the picture below. What is this type of diode used for converting AC to DC?

A) Rectifier Diode

B) Zener Diode

C) LED

D) Photodiode

Identify the following symbol.

A) LED (Light Emitting Diode)

B) Photodiode

C) Zener Diode

D) Varactor Diode

Observe the symbol shown. Which component does it represent?

A) Zener Diode

B) Transistor

C) Bridge Rectifier

D) IC

Look at the picture below. What is the name of this component?

B) Diode

A) Resistor

C) Capacitor

D) Tranisistor

An IC is a combination of:

B) Multiple electronic components on a small chip

A) A single resistor

C) Only transistors

D) Only capacitors

The three terminals of a transistor are:

B) Base, Collector, Emitter

A) Source, Drain, Gate

C) Input, Output, Ground

D) Anode, Cathode, Grid

How many terminals does a transistor have?

B) 3

C) 4

D) 1

A) 2

A transistor is mainly used for:

A) Amplifier and switching

C) Energy storage

D) Inductance

B) Rectification

The longer leg of an LED represents the:

B) Anode (+)

A) Cathode (–)

C) Ground

D) Output terminal

What is the function of an LED?

A) Emit light when current passes through

B) Store charge

C) Block current

D) Convert AC to DC

In a full-wave bridge rectifier, how many diodes are used?

D) Four

A) One

B) Two

D) Four

In a half-wave rectifier, output is obtained during:

B) Only the positive half cycle

A) Both half cycles of AC

C) Only the negative half cycle

D) No half cycle

The function of a rectifier diode is:

B) Convert AC to DC

A) Convert DC to AC

C) Control voltage

D) Store energy

In reverse bias, a diode:

B) Does not conduct (blocks current)

A) Conducts normally

C) Acts as a switch

D) Becomes an amplifier

In forward bias, a diode:

B) Conducts current easily (Pass current)

A) Does not conduct current

C) Blocks voltage completely

D) Works as an insulator

The symbol of a diode shows an arrow pointing toward:

B) Anode

A) Cathode

C) Both terminals

D) Power supply

The symbol of a diode shows an arrow pointing toward:

A) Cathode

B) Anode

C) Both terminals

D) Power supply

What is the main function of a diode?

B) Allow current to flow in one direction only

A) Amplify signals

C) Store charge

D) Block both directions of current

Active components are devices that can:

B) Control current flow and amplify signals

D) Only provide resistance

A) Store energy only

C) Limit the current

Which of the following is an active electronic component?

B) Diode

A) Resistor

C) Capacitor

D) Inductor