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94The ammeter shown in figure consists of a 480 Ω coil connected in parallel to a 20 Ω shunt. Find thereading of the ammeter.4.10Ω20 V405350937350(C)A(D) A5073(B) 1A(A)A |
Answer» <p>Total resistance of ammeter will be 19.2 ohm now total resistance in ckt will be 29.2 ohm. Current in circuit is 29.2/20 = 0.6479 = 50/73 A. </p> | |