1. Electrical power is calculated using the formula:
A. P = V/R
B. P = VI
C. P = IR
D. P = V/I
Answer: B) P = VI
Rationale: Power equals voltage multiplied by current.
2. What is the primary use of a multimeter?
A. Test insulation strength
B. Measure electrical properties
C. Join electrical wires
D. Secure electrical components
Answer: B) Measure electrical properties
Rationale: A multimeter measures voltage, current, and resistance.
3. In a circuit, resistance is measured in:
A. Volts
B. Ohms
,C. Watts
D. Amps
Answer: B) Ohms
Rationale: The ohm is the unit of electrical resistance.
4. What is the standard unit of measurement for electrical current?
A. Ohm
B. Ampere
C. Volt
D. Watt
Answer: B) Ampere
Rationale: The ampere (amp) measures the flow of electrical current in
a circuit.
5. What does AWG stand for in electrical wiring?
A. American Wire Gauge
B. Average Wire Grade
C. Alloy Wire Grade
D. Amplified Wire Gauge
Answer: A) American Wire Gauge
Rationale: AWG is a standard for measuring the diameter of electrical
wires.
, 6. Which of the following is NOT a type of circuit?
A. Open circuit
B. Short circuit
C. Resistive circuit
D. Capacitive circuit
Answer: D) Capacitive circuit
Rationale: Capacitors are components, not types of circuits.
7. Which of the following is a unit of electrical power?
A. Ampere
B. Volt
C. Watt
D. Ohm
Answer: C) Watt
Rationale: The watt is the standard unit of power, representing the rate
of energy consumption.
8. What is the primary function of an electrical transformer?
A. Increase current
B. Reduce resistance
C. Change voltage levels
A. P = V/R
B. P = VI
C. P = IR
D. P = V/I
Answer: B) P = VI
Rationale: Power equals voltage multiplied by current.
2. What is the primary use of a multimeter?
A. Test insulation strength
B. Measure electrical properties
C. Join electrical wires
D. Secure electrical components
Answer: B) Measure electrical properties
Rationale: A multimeter measures voltage, current, and resistance.
3. In a circuit, resistance is measured in:
A. Volts
B. Ohms
,C. Watts
D. Amps
Answer: B) Ohms
Rationale: The ohm is the unit of electrical resistance.
4. What is the standard unit of measurement for electrical current?
A. Ohm
B. Ampere
C. Volt
D. Watt
Answer: B) Ampere
Rationale: The ampere (amp) measures the flow of electrical current in
a circuit.
5. What does AWG stand for in electrical wiring?
A. American Wire Gauge
B. Average Wire Grade
C. Alloy Wire Grade
D. Amplified Wire Gauge
Answer: A) American Wire Gauge
Rationale: AWG is a standard for measuring the diameter of electrical
wires.
, 6. Which of the following is NOT a type of circuit?
A. Open circuit
B. Short circuit
C. Resistive circuit
D. Capacitive circuit
Answer: D) Capacitive circuit
Rationale: Capacitors are components, not types of circuits.
7. Which of the following is a unit of electrical power?
A. Ampere
B. Volt
C. Watt
D. Ohm
Answer: C) Watt
Rationale: The watt is the standard unit of power, representing the rate
of energy consumption.
8. What is the primary function of an electrical transformer?
A. Increase current
B. Reduce resistance
C. Change voltage levels
