AC Fundamentals Flashcards
Who were the main figures in the War of Currents?
Thomas Edison and Nikola Tesla
The War of Currents was a late 19th-century dispute over the best method of electrical power transmission.
What type of current did Thomas Edison primarily promote?
Direct Current (DC)
Edison believed that DC was safer and more efficient for electrical power distribution.
What type of current did Nikola Tesla advocate for?
Alternating Current (AC)
Tesla’s AC system allowed for the transmission of electricity over longer distances with less loss of power.
Fill in the blank: The War of Currents primarily involved the competition between _______ and _______.
Thomas Edison and Nikola Tesla
True or False: Edison supported Alternating Current.
False
Edison was a proponent of Direct Current.
What was a significant advantage of Alternating Current over Direct Current?
Transmission over long distances with less power loss
AC can be transformed to higher voltages, reducing current and minimizing losses.
What does a simple DC generator do?
Converts mechanical energy into direct current electricity
A simple DC generator typically consists of a rotating coil within a magnetic field.
Fill in the blank: A simple DC generator consists of a rotating _______ within a magnetic field.
coil
What is the primary function of a DC generator?
To generate direct current electricity
DC generators are used in applications requiring a stable voltage.
the voltage and current here maintains in one direction
direct current
voltage and current here ]changes direection alternately
alternating current
the number of cycles per second in herts units
frequency
the amount of time for 1 cycle
period (T)
how many herts are there in 1 cycle per second?
1
the value of sine wave at any instant of time.
value of sine wave
maximum value represented by vm of vp for volatge and im for ip for current
peak value
the value from positive peak to the negative peak represented by Vp-p for voltage and Ip-p for current
peak to peak
the arithmetic avergae of all the values in a sine wave for one alternation, or half-cycle
average value
the value of sine wave at 45degrees
root mean square
the ratio of the rms value to the average value
form factor
the ratio of peak value to rms value
peak factor
