Review unit 4 part 2

Refer to figure .What is the total circuit inductance between (BC)?

• 222 mH

• 200 mH

• 322 mH

• 150 mH

What is the relationship between voltage and current in resistive load?

• Both voltage and current are in phase

• Voltage is leading the current by 90 degrees

• Current is lagging the voltage by 90 degrees

• Voltage is lagging the current by 45 degrees

What is the relationship between voltage and current in capacitive load?

• Both voltage and current are in phase

• Voltage is leading the current by 45 degrees

• Current is leading the voltage by 90 degrees

• Voltage is lagging the current by 45 degrees

What is the relationship between voltage and current in inductive load?

• Both voltage and current are in phase

• Voltage is leading the current by 45 degrees

• Current is lagging the voltage by 90 degrees

• Voltage is lagging the current by 90 degrees

What is the relationship between voltage and current in capacitive load?

• Both voltage and current are in phase

• Voltage is leading the current by 90 degrees

• Current is leading the voltage by 45 degrees

• Voltage is lagging the current by 90 degrees

What is called the combination of reactance and resistance?

• Resistance

• Inductance

• Capacitance

• Impedance

What is the total opposition to current flow in an AC circuit?

• Resistance

• Inductance

• Capacitance

• Impedance

What is the circuit impedance of a circuit with R = 100Ω, X_L = 150 Ω ?

• 
  10.15Ω

• 180 Ω

• 5.46Ω

• 15.12Ω

What is the circuit impedance of a circuit with R = 100Ω, X_L = 300 Ω ?

• 10.15Ω

• 5.46Ω

• 15.12Ω

• 316 Ω

Refer the figure below. What is the circuit impedance?

• 
  1000 Ω

• 500 Ω

• 180.278 Ω

• 0.5Ω