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Question 1

What is the primary function of a resistor?

Answer 1

To limit the flow of electric current.

Question 2

True or False: Capacitors store electrical energy in an electric field.

Answer 2

True

Question 3

Fill in the blank: A __________ is a component that converts electrical energy into mechanical energy.

Answer 3

motor

Question 4

What does an inductor do?

Answer 4

It stores energy in a magnetic field.

Question 5

Which component is used to control the flow of current in a circuit?

Answer 5

transistor

Question 6

True or False: Diodes allow current to flow in both directions.

Answer 6

False

Question 7

What is the unit of capacitance?

Answer 7

farad

Question 8

What type of component is used to protect circuits from overcurrent?

Answer 8

fuse

Question 9

Multiple Choice: Which of the following is NOT an electrical component? A) Resistor B) Capacitor C) Voltage D) Inductor

Answer 9

C) Voltage

Question 10

What is the function of a transformer?

Answer 10

To change the voltage level in an AC circuit.

Question 11

Fill in the blank: The __________ is a semiconductor device that can amplify or switch electronic signals.

Answer 11

transistor

Question 12

What is the primary purpose of a diode?

Answer 12

To allow current to flow in one direction only.

Question 13

True or False: A potentiometer is a type of variable resistor.

Answer 13

True

Question 14

What is the typical use of a relay?

Answer 14

To control a high-power circuit with a low-power signal.

Question 15

What does the term ‘impedance’ refer to?

Answer 15

The total opposition to the flow of alternating current.

Question 16

Multiple Choice: Which of the following components can store energy? A) Resistor B) Inductor C) Switch D) Wire

Answer 16

B) Inductor

Question 17

What is the standard measure of resistance?

Answer 17

ohm

Question 18

Fill in the blank: A __________ is used to convert AC to DC.

Answer 18

rectifier

Question 19

What is a common application of a capacitor in electronic circuits?

Answer 19

Filtering and smoothing voltage fluctuations.

Question 20

True or False: A switch can interrupt the flow of current in a circuit.

Answer 20

True

Question 21

What type of electrical component is used to measure voltage?

Answer 21

voltmeter

Question 22

Multiple Choice: Which component is used to store charge? A) Resistor B) Capacitor C) Inductor D) Transformer

Answer 22

B) Capacitor

Question 23

What is the function of a circuit breaker?

Answer 23

To automatically interrupt electrical flow in case of overload.

Question 24

Fill in the blank: The __________ is a device that converts light into electrical energy.

Answer 24

photovoltaic cell

Question 25

What does the term 'voltage' measure?

Answer 25

The electric potential difference between two points.

Question 26

True or False: A heat sink is used to cool electronic components.

Answer 26

True

Question 27

What type of electrical component is a Zener diode?

Answer 27

A diode that allows current to flow in the reverse direction when a specific voltage is reached.