REVIEW OF BASIC CONCEPTS OF ELECTRONIC AND ELECTRICAL CIRCUIT

Multiple Choice

What is the purpose of a fuse in an electrical circuit?

• To increase current flow

• To protect against excessive current

• To store electrical energy

• To convert AC to DC

Multiple Choice

What is the definition of a wire?

• A thick rod of metal

• A single slender rod or filament

• A type of cable

• A solid piece of metal

Multiple Choice

What is a load in the context of electrical sources?

• A source of energy

• A component that draws current

• A type of appliance

• A type of bulb

Multiple Choice

What are the main differences between passive and active devices in electronic components?

• Passive devices contribute power gain

• Active devices require no input

• Passive devices have control action

• Active devices can control voltages

Multiple Choice

What is the primary function of a resistor in an electronic circuit?

• To amplify signals

• To control current and voltage

• To store energy

• To convert AC to DC

Multiple Choice

What is the function of inductors in Alternating Current circuits?

• To store energy

• To oppose changes in current

• To convert AC to DC

• To amplify signals

Multiple Choice

What are LEDs used for?

• As indicator devices

• As resistors

• As capacitors

• As transistors

Multiple Choice

What are Integrated Circuits (ICs) used to simulate?

• Resistors

• Capacitors

• Transistors

• All of the above

Multiple Choice

What should be drawn where wires are connected?

• A blob

• A bridge

• A circle

• A line

Multiple Choice

What is the function of a fuse in an electrical circuit?

• Supplies electrical energy

• A safety device that melts if current exceeds a specified value

• Used to step up or step down AC voltages

• Connects two coils of wire

Multiple Choice

What is the function of a heater?

• Converts electrical energy to heat

• Converts electrical energy to light

• Converts electrical energy to motion

• Converts electrical energy to sound

Multiple Choice

What does an inductor do when current passes through it?

• Converts electrical energy to sound

• Creates a magnetic field

• Converts electrical energy to light

• Stores electrical energy

Multiple Choice

What is the function of a buzzer?

• Converts electrical energy to sound

• Creates a magnetic field

• Converts electrical energy to light

• Stores electrical energy

Multiple Choice

What is the function of a push switch?

• Allows current to flow continuously

• Allows current to flow only when pressed

• Does not allow current to flow

• Used for high voltage applications

Multiple Choice

What is the function of an On-Off Switch (SPST)?

• Allows current to flow only when closed

• Directs flow of current to two routes

• Isolates live and neutral connections

• Has a central off position