Four resistance each of R ohms and two resistances each of S ohms are connected (as shown in Fig. 2.50) to four terminasl AB and CD. A p.d. of V volts is applied across the terminals AB and a resis- tance of Z ohm is connected across the terminals CD. Find the value of Z in terms of S and R in order that the current at AB may be V/Z. Find also the relationship that must hold between R and S in order that the p.d. at the points EF be V/2. [Z= R(R+2S);S=4R]

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25. Four resistance each of R ohms and two resistances each of S ohms are connected (as shown in Fig. 2.50) to four terminasl AB and CD. A p.d. of V volts is applied across the terminals AB and a resis- tance of Z ohm is connected across the terminals CD. Find the value of Z in terms of S and R in order that the current at AB may be V/Z.

Find also the relationship that must hold between R and S in order that the p.d. at the points EF be

V/2. [Z= R(R+2S);S=4R]

Rs
Rs
A
R
R
E
R
R
C
A
E
C
V
В
F
D
В
F
D
Fig. 2.49
Fig. 2.50
ww
U 001= Z
Transcribed Image Text:Rs Rs A R R E R R C A E C V В F D В F D Fig. 2.49 Fig. 2.50 ww U 001= Z
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