Which is a wrong statement
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(a) The Wheatstone bridge is most sensitive when all the four resistances are of the same order |
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(b) In a balanced Wheatstone bridge, interchanging the positions of galvanometer and cell affects the balance of the bridge |
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(c) Kirchhoff's first law (for currents meeting at a junction in an electric circuit) expresses the conservation of charge |
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(d) The rheostat can be used as a potential divider |
