RL Circuits

As frequency increases, inductive reactance increases.

• True

• False

Inductance is a ________ value, while resistance is a ________ value. 

• floating, static 
• reactive, dynamic 
• dynamic, static 
• dynamic, reactive 

In A RL AC Circuit The sum of resistance and reactance is referred to as ________.

• geometric resistance

• conductance

• impedance

• susceptance

Resistance and reactance must be added geometrically because ________.

• inductor current lags inductor voltage by 90 degrees

• resistor current is in phase with resistor voltage

• they are out of phase

• all of the above

Inductor quality is determined by ________. 

• operating frequency 
• coil winding resistance 
• the inductance of the coil 
•  all of the above 

In an inductor, current lags voltage by 90∘. 

• True
• Fals

In an RL circuit, the product of current and voltage is referred to as ________.

• apparent power

• imaginary power

• reactive power

• true power

Whic one is USELESS POWER

• apparent power

• imaginary power

• reactive power

• true power

The maximum value of a sine wave occurs at ---------------

• 45

• 90 and 270

• 180 and 360

• 135

Tags

NGSS.HS-PS4-1

The value of a sine wave becomes zero at ---------------------------

• 45

• 90 and 270

• 180 and 360

• 135