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Three resistances P, Q, R each of 20 and an unknown resistance S form the four arms of a Wheatstone bridge circuit. When a
Three resistances P, Q, R each of 20 and an unknown resistance S form the four arms of a Wheatstone bridge circuit. When a resistance of 60 is connected in parallel to S the bridge gets balanced. What is the value of S? (a) 302 (c) 1 (b) 6 (d) 20
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Differential Equations and Linear Algebra
Authors: Jerry Farlow, James E. Hall, Jean Marie McDill, Beverly H. West
2nd edition
131860615, 978-0131860612
