#1
What is the formula to calculate electrical power?
Power = Voltage / Current
Power = Voltage * Current
Power = Current / Voltage
Power = Voltage + Current
#2
What is the purpose of a fuse in an electrical circuit?
To regulate voltage
To increase current
To protect against overcurrent
To amplify power
#3
In a series circuit, what happens to the total resistance as more resistors are added?
It increases
It decreases
It remains the same
It depends on the values of the resistors
#4
What is the standard voltage level for most household electrical systems in the United States?
110 volts
220 volts
240 volts
120 volts
#5
What is the unit of measurement for electrical current?
Volt (V)
Ohm (Ω)
Ampere (A)
Watt (W)
#6
Which type of electrical circuit has multiple paths for current to flow?
Series circuit
Parallel circuit
Combination circuit
Sequential circuit
#7
What is the unit of electrical resistance?
Ampere (A)
Volt (V)
Ohm (Ω)
Watt (W)
#8
What is the purpose of a circuit breaker?
To regulate voltage
To increase current
To protect against overcurrent
To amplify power
#9
What is the purpose of a transformer in an electrical system?
To regulate voltage
To increase current
To convert DC to AC
To amplify power
#10
What is the primary function of a ground fault circuit interrupter (GFCI)?
To protect against short circuits
To protect against ground faults
To regulate voltage
To increase current
#11
What is the purpose of a surge protector in an electrical system?
To regulate voltage
To protect against voltage spikes
To increase current
To amplify power
#12
What is the purpose of a diode in an electrical circuit?
To regulate voltage
To control current direction
To amplify power
To increase resistance
#13
What does the term 'kVA' stand for in electrical engineering?
Kilowatt-Voltage Alternating
Kilovolt-Ampere
Kilowatt-Ampere
Kilovolt-Alternating Current
#14
What is the purpose of a rectifier in an electrical circuit?
To convert AC to DC
To convert DC to AC
To regulate voltage
To increase current
#15
What is the function of an inductor in an electrical circuit?
To store electrical energy
To resist the flow of current
To regulate voltage
To increase current
#16
What is the purpose of a surge arrester in an electrical system?
To protect against overcurrent
To regulate voltage
To protect against voltage spikes
To increase current
#17
What does the term 'RMS' stand for in electrical engineering?
Root Mean Square
Real-time Measurement System
Reactive Magnetic Shielding
Resonant Magnetic Sensing
#18
What is the purpose of a shunt resistor in an ammeter?
To measure voltage
To measure current
To vary resistance
To amplify power