#1
Which of the following materials is commonly used as an insulator in electrical components?
#2
What is the SI unit of electric current?
#3
What does the term 'AC' stand for in electrical engineering?
#4
Which component is commonly used to change the voltage level in a circuit?
#5
Which of the following components is used to convert AC to DC?
#6
What is the purpose of a potentiometer in an electrical circuit?
#7
Which type of electrical component is primarily used to control the flow of current in a circuit?
#8
Which of the following components is used to store electrical charge in a circuit?
#9
What is the function of a transistor in an electrical circuit?
#10
In a series circuit, how does adding more resistors affect the total resistance?
#11
What is the main function of a fuse in an electrical circuit?
#12
Which law states that the voltage across a closed loop is equal to the sum of the voltages across each component in the loop?
#13
What type of material is typically used as a semiconductor in electronics?
#14
Which of the following is NOT a passive electrical component?
#15
What is the purpose of a flyback diode in a circuit?
#16
What is the unit of electrical resistance?
#17
What happens to the resistance of a conductor as its temperature increases?
#18
Which law states that the total current entering a junction in a circuit is equal to the total current leaving the junction?
#19