a. To store electrical charge
b. To amplify electrical signals
c. To regulate voltage
d. To control the flow of current in a circuit
Answer: c. To regulate voltage
What is the purpose of a transformer in an electrical circuit. Read More »
a. I
b. D
c. L
d. R
Answer: c. L
What is the symbol for an inductor in an electrical circuit. Read More »
a. An AC motor uses DC current, while a DC motor uses AC current.
b. An AC motor is more efficient than a DC motor.
c. An AC motor changes direction periodically, while a DC motor only spins in one direction.
d. An AC motor only spins in one direction, while a DC motor changes direction periodically.
Answer: c. An AC motor changes direction periodically, while a DC motor only spins in one direction.
What is the difference between an AC motor and a DC motor. Read More »
a. A fuse is manually reset, while a circuit breaker is automatic.
b. A fuse is automatic, while a circuit breaker is manually reset.
c. A fuse is a one-time use, while a circuit breaker can be reset multiple times.
d. A fuse and a circuit breaker are the same thing.
Answer: c. A fuse is a one-time use, while a circuit breaker can be reset multiple times.
What is the difference between a fuse and a circuit breaker in an electrical circuit. Read More »
a. C
b. D
c. L
d. R
Answer: a. C
What is the symbol for a capacitor in an electrical circuit. Read More »
a. A resistor stores electrical charge, while a capacitor resists the flow of current.
b. A resistor resists the flow of current, while a capacitor stores electrical charge.
c. A resistor and a capacitor are the same thing.
d. A resistor and a capacitor have no function in an electrical circuit.
Answer: b. A resistor resists the flow of current, while a capacitor stores electrical charge.
What is the difference between a resistor and a capacitor in an electrical circuit. Read More »
a. V = IR
b. I = VR
c. R = VI
d. V = I/R
Answer: d. V = I/R
What is Ohm’s Law. Read More »
a. To store electrical charge
b. To amplify electrical signals
c. To regulate voltage
d. To protect electrical devices from voltage spikes
Answer: d. To protect electrical devices from voltage spikes
What is the purpose of a surge protector in an electrical circuit. Read More »
a. A multimeter measures voltage, while an ammeter measures current.
b. A multimeter measures current, while an ammeter measures voltage.
c. A multimeter measures both voltage and current, while an ammeter only measures current.
d. A multimeter measures both voltage and current, while an ammeter only measures voltage.
Answer: c. A multimeter measures both voltage and current, while an ammeter only measures current.
What is the difference between a multimeter and an ammeter in an electrical circuit. Read More »
a. To store electrical charge
b. To amplify electrical signals
c. To regulate voltage
d. To control the flow of current in a circuit
Answer: b. To amplify electrical signals
What is the purpose of a transistor in an electrical circuit. Read More »
