Answered: LM 117 VIN=28V VIN VOUT VOUT R2 is half…

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LM 117 VIN=28V VIN VOUT VOUT R2 is half as much as R1 and Vref is 2V. ADJ R1 240 Vref ladj 11 C2 C1* 0.1uF 1µF R2 ww

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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Electrical Heating Unit

The conversion of electrical energy to heat energy is known as electric heating. The heating system that converts the electrical energy to heat energy for various application is called electrical heating unit. Electricity is employed as the firing mechanism in electric heating systems, which transforms electric current to heat. Electric heaters have heating elements in the form of electric resistors.

Question

Please answer asap, thank you <3

1. What is the adjusted value of the current in Figure 3 with given variables?

a. 150 mA ; b. 75 mA; c. 50 mA; d. 2 mA

2. What is the adjusted value of R2 with the same given variables and adjusted current of #11 if the output voltage is 9V

a. 84 Ohms; b. 48 Ohms; c. 48 kOhms; d. 550 Ohms

LM 117
VIN=28V
VIN
VOUT
VOUT
R2 is half as much as R1
and Vref is 2V.
ADJ
R1
240
Vref
ladj
11
C2
C1*
0.1uF
1µF
R2
ww

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