In the circuit shown below, let Imax be the maximurm lo current in the circuit, and Imin be the minimum l, in the circuit. Let the total resistance of the potentiometer = 20k). Then, the value of the resistance Ro such the ratio Ima/lmin equals to 10 is DMM Vs Po A Sk) B. 0.55k2 C125kt2 D. 2.22k Next page The maximum and minimum values of Is are 0.5 and 0.1 A. This indicates that the value of the rheostat resistance R is: 40 $2 Is Vs O a. 280 0 O b. 350 n OC. 160 0 Od. 240 0

Delmar's Standard Textbook Of Electricity
7th Edition
ISBN:9781337900348
Author:Stephen L. Herman
Publisher:Stephen L. Herman
Chapter18: Resistive-inductive Parallel Circuits
Section: Chapter Questions
Problem 11PP: In an R-L parallel circuit, ET=208 volts, R=2.4k, and XL=1.8k. Find IT.
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In the circuit shown below, let Imax be the maximurm lo current in the circuit, and Imin be the
minimum l, in the circuit. Let the total resistance of the potentiometer = 20KO. Then, the
value of the resistance R, such the ratio Ima/lmin equals to 10 is
Re
DMM
10v
Po
A. SkO
B.0.55kO
C125k(2
D. 2.22kO
Next page
The maximum and minimum values of Is are 0.5 and 0.1 A. This indicates that the value of the rheostat resistance R is:
40 S2
Is
Vs=
R
O a. 280 0
b. 350 0
C. 160 0
Od. 240 0
Transcribed Image Text:In the circuit shown below, let Imax be the maximurm lo current in the circuit, and Imin be the minimum l, in the circuit. Let the total resistance of the potentiometer = 20KO. Then, the value of the resistance R, such the ratio Ima/lmin equals to 10 is Re DMM 10v Po A. SkO B.0.55kO C125k(2 D. 2.22kO Next page The maximum and minimum values of Is are 0.5 and 0.1 A. This indicates that the value of the rheostat resistance R is: 40 S2 Is Vs= R O a. 280 0 b. 350 0 C. 160 0 Od. 240 0
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