Use a delta-star conversion to simplify the delta BCD (40 , 16 , and 8 ) in the bridge network in Fig. f and find the equivalent resistance that replaces the network
between terminals A and B, and hence find the current I if the source voltage is 52 V.

Current, I = 4A

Explanation:

Since the connection is in delta, let's convert to star.

Simplify BCD:

From figure B, it can be seen that 6 ohms and 6 ohms are connected in parallel.

Simplify:

Req = 10 ohms + 3 ohms

Req = 13 ohms

To find the current, use ohms law.

V = IR

Where, V = 52volts and I = 13 ohms

Solve for I,

Current, I = 4 A

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