Basic Electrical Concepts and Components Quiz

Test your knowledge with 15 questions covering electrical principles, components, and circuits. Explore topics like Ohm's Law, diodes, transformers, and more!

#1

Which component stores electrical charge in a circuit?

Resistor
Capacitor
Inductor
Transistor
#2

What is the unit of electrical resistance?

Ohm
Watt
Volt
Ampere
#3

What is the SI unit of electric charge?

Coulomb
Ampere
Ohm
Volt
#4

What does AC stand for in the context of electrical power?

Alternating Current
Amperes Conversion
Advanced Circuits
Amperes Control
#5

What is the purpose of a ground wire in an electrical system?

To carry current to the load
To provide a return path for fault currents
To regulate voltage
To amplify signals
#6

In a DC circuit, what does Ohm's Law describe?

The relationship between current and voltage
The relationship between power and resistance
The relationship between voltage and resistance
The relationship between current and resistance
#7

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

To amplify signals
To control current flow in one direction
To store electrical energy
To regulate voltage
#8

In a series circuit, how does the total resistance change with the addition of resistors?

Increases
Decreases
Remains constant
Becomes zero
#9

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

To increase resistance
To protect against overcurrent
To store electrical energy
To regulate voltage
#10

What does the term 'short circuit' refer to in electrical circuits?

A circuit with low resistance
A circuit with high resistance
An unintended path of low resistance
An unintended path of high resistance
#11

What is the primary function of a transformer?

To convert AC to DC
To step up or step down voltage
To generate electrical power
To control current flow
#12

What is the phenomenon of a material allowing the flow of electric current called?

Insulation
Resistance
Conduction
Capacitance
#13

What is the effect of increasing the number of turns in an inductor?

Increases inductance
Decreases inductance
No effect on inductance
Creates a short circuit
#14

What is the phenomenon of a material opposing the flow of electric current called?

Conduction
Insulation
Resistance
Capacitance
#15

What is the effect of connecting capacitors in series?

Increases total capacitance
Decreases total capacitance
No effect on total capacitance
Creates a short circuit

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