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ac bridge

A current balance bridge has resistors Ri - R - 12 kq, R. - 820, RJ required to null the bridge ir R. changes by 20. The supply voltage is 12 1.2 kn, RS - 60 and a high-impedance null detector. Find the current V. 8marks) - Vout / h R + R SRI R2 RA hut R3 3201 820.111.22 -- V 12ks BL tit R4 RS = [0.5 +0.41] 12V = 10.921 Tacopy1.jpeg

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