Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
12 Cards in this Set
- Front
- Back
- 3rd side (hint)
|
Series circuit |
Current same for all elements I=i1=i2=i3=.. .=in Rtotal Rs=R1+R2+...+Rn |
|
|
|
Modulation envelope of a modulated carrier |
Smooth curve outline |
Sexylady |
|
|
PEP |
Peak envelope power |
Mailer |
|
|
Impedance turn ratio and impedance transformation |
Np over Ns =square of Zp over Zs NP I=TURNS ON PRIMARY Ns = turns on secondary Zp impedance to primary Zs = impedance to secondary |
|
|
|
Kirchoffs current law |
IT=I1+I2+I3... The total current through a parallel circuit is equal to the sum of the current through the branches |
|
|
|
Capacitive reactance. Xc |
Xc=1/2pifC fish freqinHZ c capacity C us cap inF |
|
|
|
Inductive reactance XL |
Xl= 2pi FL Where f is frequently is Hz L is inductance inH |
|
|
|
Most frequently used ac voltage |
Root mean square voltage V RMS effective voltage cause 120V RMS AC effectively is the same power as 120 VDC |
|
|
|
V RMS= |
IxR. P=V RMS X I |
|
|
|
Calculating voltage across secondary winding |
Es=Ep X Ns/Np |
|
|
|
P= |
Esq/R |
|
|
|
P=I square /R |
E= square of PxR (use Vrms value for E |
|
