Kindly provide a COMPLETE and CLEAR soultions.(Answer should be typewritten) R2R16.5k500500+20V3kR3Q1C1470nFR43kT1R2 is a 100 kilo-ohm potentiometer60Hz115VAC 1.2.Calculate the firing angle with R2set at 20 kn and n=0.5Calculate the value of R2 for afiring angle of 100°.

Given UJT oscillator circuit R1 =6.5 kΩ R3 =3 kΩ =3×103 Ω η =0.5 Vs =20 V C =470 nF =470×10-9 F…

Answered: 1. Calculate the firing angle with R2…

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1. Calculate the firing angle with R2 set at 20 kn and n=0.5 Calculate the value of R2 for a firing angle of 100°. 2.

Delmar's Standard Textbook Of Electricity

7th Edition

ISBN:9781337900348

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter30: Dc Motors

Section: Chapter Questions

Problem 6RQ: What is CEMF?

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Photoelectric

The photoelectric effect occurs when light (or similar incident radiation, including X-rays) falls on material together with a metal plate and causes it to emit electrons. The discovery of the photoelectric effect led to important new theories (and to a Nobel Prize for Albert Einstein). Photoelectric cells, or photocells, are utilized in burglar-alarm light detectors and garage-door openers (each employs a through-beam of light this is broken when something movements throughout it), and also to play soundtracks on film movies (in which a light beam shines through the soundtrack encoded at the film and is "read" with the aid of the photocells).

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Kindly provide a COMPLETE and CLEAR soultions.

(Answer should be typewritten)

R2
R1
6.5k
500
500
+20V
3k
R3
Q1
C1
470nF
R4
3k
T1
R2 is a 100 kilo-ohm potentiometer
60Hz
115VAC

1.
2.
Calculate the firing angle with R2
set at 20 kn and n=0.5
Calculate the value of R2 for a
firing angle of 100°.

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