74-705604
[TK4543


537


National  Audiovisual  Center


670


Films— Catalog,  1975


I


Series  RC.  RL,  and  RCL  circuits— Trigonometric  so-
lutions. [Motion  picture]     U.S.  Dept.  of  the  Air  Force.
Released  by  National  Audiovisual  Center  [197-?]
40  min      sd      b&w.      16  mm.
Kinescope

SUMMARY:  E.xplains  the  mcihod  of  solving  for  the  phase
angle  and  impedance  by  use  of  trigonometric  functions.
Shows  use  of  trigonometric  tables.
I.  Electric  circuits.  2.  Electric  currents.  Alternating.  3,
Trigonometry— Tables,  etc.  1.  United  Slates,  Dept.  of
the  Air  Force.     II.  National  Audiovisual  Center.
74-705605
[TK454]

537
National  Audiovisual  Center

74


Series  RCL  quality  and  selectivity.  [Motion  picture]
U.S.  Dept.  of  the  Air  Force.     Released  by  National
Audiovisual  Center  [197-?]
28  min.     sd.     b&w.      16  mm.
Kinescope.
SUMMARY:  Explains  quality  factor  and  develops  for-
mula. Determines  the  relationship  between  reactance  and
resistance  in  series  RCL  circuits.  Explains  selectivity,  band
pass,  and  bandwidth  and  develops  a  chart  showing  how  each
is  related  to  the  other.
1.  Electric  circuits.  2.  Electric  capacity.  3.  Reactance
(Electricity)  4.  Electric  resistance.  I.  United  States,
Dept-  of  the  Air  Force      11-  National  Audiovisual  Center

74-705606
[TK454]

537
National  Audiovisual  Center

74


Series  resistive  circuits — DC  power.  [Motion  picture]
U.S.  Dept.  of  the  Air  Force.     Released  by  National
Audiovisual  Center  [197-?]
29  min.     sd.     b&w.     16  mm.
Kinescope.
SUMMARY:  Defines  electrical  power  in  terms  of  work
and  rate.  Discusses  the  three  formulas  for  computing  power.
1.  Electric  circuits.     2.  Electric  power.     3.  Electric  resist-
ance.       I.  United  States.     Dept.  of  the  Air  Force,     11,  Na-
tional Audiovisual  Center.
74-705607
[TK454]

537
National  Audiovisual  Center

74


Series  resistive  circuits — troubleshooting.    [Motion
picture]     U.S.  Dept.  of  the  Air  Force.     Released  by
National  Audiovisual  Center  [197-?]
35  min.     sd,     b&w,      16  mm.
Kinescope.
