F023 TAv07 KLPs 07.03.01-04

On the graph of a complex waveform, which letter represents a period?

• c

• b

• none

• a

on the graph showing a sinusoidal wave, what is being represented by the letter a?

• V_p-p

• V_p

• V_mean

• V_rms

on the graph showing a sinusoidal wave, what is being represented by the letter a?

• V_p-p

• V_p

• V_mean

• V_rms

If a sine wave has a period time of 20ms what would its frequency be?

• 50Hz

• 400Hz

• 100Hz

• 20KHz

An AC voltage measured on a Digital Multimeter reads as 120V. What is the rms value for the circuit tested?

• 120 V_rms

• 84.9 V_rms

• 169.7 V_rms

• 76.3 V_rms

Which of the following graphs represents an AC voltage superimposed on a DC voltage?

• 
• 
• 
• 

Which of the following components are used to extract the current from the armature on an AC Generator.

• Slip rings

• Brushes

• Commutator

• Field Winding

• Pole shoe

A symmetrical sine wave waveform has rms value of 14.14 volts and a frequency of 50 Hz.  Calculate peak to peak value

• 40 V_p-p

• 20 V_p-p

• 28.28 V_p-p

• 9.99 V_p-p

• 19.98 V_p-p