#1
What is Ohm's Law?
V = IR
ExplanationRelationship between voltage, current, and resistance.
#2
What does AC stand for in electrical engineering?
Alternating Current
ExplanationCurrent that periodically reverses direction.
#3
What is the SI unit of electrical charge?
Coulomb
ExplanationMeasure of electric charge.
#4
Which of the following is a passive electronic component?
Resistor
ExplanationComponent that opposes current.
#5
What is the unit of electrical power?
Watt
ExplanationMeasure of power consumption.
#6
What is the unit of electrical potential difference?
Volt
ExplanationMeasure of potential energy.
#7
What component is used to store electrical charge?
Capacitor
ExplanationDevice storing electrical energy.
#8
Which of the following is not a type of electrical power distribution system?
Parallel Distribution System
ExplanationNot a standard distribution system.
#9
What is the function of a transformer in an electrical system?
To increase or decrease voltage levels
ExplanationAlteration of voltage for transmission.
#10
Which of the following materials is commonly used as an insulator in electrical wiring?
Rubber
ExplanationMaterial preventing current flow.
#11
What does the term 'grounding' refer to in electrical systems?
Connecting a circuit to the earth
ExplanationEstablishing electrical reference point.
#12
In electrical circuits, what does the term 'short circuit' refer to?
A circuit with low resistance path
ExplanationUnintended connection creating low resistance.
#13
What is the unit of electrical conductance?
Siemens
ExplanationMeasure of ease for current flow.