w6Delta Star Conversion1. Find the current in the 17 resistor in the network shown in Fig. 2.194 (a) by using (a) star/deltaconversion and (b) Thevenin's theorea. The numbers indicate the resistance of each member inohms.[18/3A1. Convert the star circuit of Fig. 2. 194 (h) into its equivalent delta circuit. Values shown are in clams.Derive the formula used.Elect. Technology, Indor Unis)41www30ww17153115 VoRD15Tutorial Problems No. 2.6wwTEFig.2.194 (a)Fig. 2.194 (b)3. Determine the resistance between points A and B in the network of Fig. 2.195.R28Fig. 2.19810B14.23(Elect. Technology, Indor Univ.)& Three resistances of 20 2each are connected in star Find the equivalent delta resistance. If the sourceof em.f. of 120 V is connected across any two terminals of the equivalent delta-connected resistances.find the current supplied by the source.1603A (Elect. Engg, Calcutta Univ.)28wwwDC Network Theorems 143$90R90www.Fig. 2.196Fig. 2.1975. Using delta/stat transformation determine the current through the galvanometer in the Wheatstone bridgeof Fig. 2.196.0.025 A6. With the aid of the delta star transformation reduce the network given in Fig. 2.197(a) to the equivalentcircuit shown at (b)R=5.3811.4 R7. Find the equivalent resistance between points A and B of the circuit shown in Fig. 2.198.& By first using a delta-star transformation on the mesh ABCD of the circuit shown in Fig. 2.199, prove thatthe current supplied by the battery is 9083 AM10w23Fig.2.195ww30 V.Fig. 2.1906#

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Delta Star Conversion 1. Find the current in the 17 resistor in the network shown in Fig. 2.194 (a) by using (a) star delta conversion and (b) Thevenin's theorem. The sumbers indicate the resistance of each member in ohm 18/34| 2. Convert the star circuit of Fig 2.194 ) into its equivalent delta circuit Values shown are in chens Derive the formala used. Elect Technology Indar Unis) ww www 41 wwww www 17 Tutorial Problems No. 2.6 15 Vo ww w 10 w Fig. 2.195 Fig. 2.194 (a) Fig.2.194 ( 3. Determine the resistance between points A and B in the network of Fig. 2.195. 14.23 Elect

Delta Star Conversion 1. Find the current in the 17 resistor in the network shown in Fig. 2.194 (a) by using (a) star delta conversion and (b) Thevenin's theorem. The sumbers indicate the resistance of each member in ohm 18/34| 2. Convert the star circuit of Fig 2.194 ) into its equivalent delta circuit Values shown are in chens Derive the formala used. Elect Technology Indar Unis) ww www 41 wwww www 17 Tutorial Problems No. 2.6 15 Vo ww w 10 w Fig. 2.195 Fig. 2.194 (a) Fig.2.194 ( 3. Determine the resistance between points A and B in the network of Fig. 2.195. 14.23 Elect

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

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Concept explainers

Norton Theorem

In the current circuit law, the Norton theorem (also known as the Mayer-Norton theorem) is a simplification that can be applied to networks generated by a constant line of opposition, power sources, and current assets. In two network terminals, it can be switched on with a current supply and single resistor respectively.

Question

w
6
Delta Star Conversion
1. Find the current in the 17 resistor in the network shown in Fig. 2.194 (a) by using (a) star/delta
conversion and (b) Thevenin's theorea. The numbers indicate the resistance of each member in
ohms.
[18/3A
1. Convert the star circuit of Fig. 2. 194 (h) into its equivalent delta circuit. Values shown are in clams.
Derive the formula used.
Elect. Technology, Indor Unis)
41
www
30
ww
17
153
115 Vo
R
D
15
Tutorial Problems No. 2.6
ww
TE
Fig.2.194 (a)
Fig. 2.194 (b)
3. Determine the resistance between points A and B in the network of Fig. 2.195.
R
28
Fig. 2.198
10
B
14.23(Elect. Technology, Indor Univ.)
& Three resistances of 20 2each are connected in star Find the equivalent delta resistance. If the source
of em.f. of 120 V is connected across any two terminals of the equivalent delta-connected resistances.
find the current supplied by the source.
1603A (Elect. Engg, Calcutta Univ.)
28
www
DC Network Theorems 143
$90
R
90
www.
Fig. 2.196
Fig. 2.197
5. Using delta/stat transformation determine the current through the galvanometer in the Wheatstone bridge
of Fig. 2.196.
0.025 A
6. With the aid of the delta star transformation reduce the network given in Fig. 2.197(a) to the equivalent
circuit shown at (b)
R=5.38
11.4 R
7. Find the equivalent resistance between points A and B of the circuit shown in Fig. 2.198.
& By first using a delta-star transformation on the mesh ABCD of the circuit shown in Fig. 2.199, prove that
the current supplied by the battery is 9083 A
M
10
w
23
Fig.2.195
ww
30 V.
Fig. 2.190
6#

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