Electrical Circuits Quiz

What are the three separate types of load an alternating circuit may contain?

• Resistive, Inductive, Capacitive

• Conductive, Magnetic, Thermal

• Static, Dynamic, Reactive

• Electric, Magnetic, Optical

In a resistive load, how are the voltage and current related?

• Voltage leads current by 90 degrees

• Voltage and current are in phase

• Current leads voltage by 90 degrees

• Voltage and current are out of phase

What happens to the voltage and current in a resistive load?

• They rise and fall together

• Voltage rises while current falls

• Current rises while voltage falls

• They remain constant

What is the typical phase difference in degrees for an inductive load?

• 0 degrees

• 45 degrees

• 90 degrees

• 180 degrees

In the formula for inductive reactance, what does L represent?

• Frequency in hertz

• Inductance in henrys

• Resistance in ohms

• Voltage in volts

What percentage of the applied voltage does a capacitor initially develop?

• 50%

• 63%

• 75%

• 100%

In the formula for capacitive reactance, what does 'f' represent?

• Capacitance in farads

• Frequency in hertz

• Resistance in ohms

• Voltage in volts

What is the primary function of impedance in a circuit?

• To increase voltage

• To decrease current

• To oppose alternating current

• To store energy

What is the relationship between frequency and inductive reactance?

• Directly proportional

• Inversely proportional

• No relationship

• Exponentially proportional