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In the circuit given E = 6.0 V, R1 = 1...

In the circuit given
E = 6.0 V, `R_1 = 100` ohm, `R_2 = R_3 = 50` ohm and `R_4 = 75` ohm. The equivalent resistance of the circuit, in ohm, is

A

11.875

B

26.31

C

118.75

D

none of these.

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