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Determine the current in all resistors in the circuit shown below.(a) 2A, 4A, 11A(b) 5A, 4.8A, 9.6A(c) 9.3A, 20.22A, 11A(d) 10.56A, 24.65A, 14.79AThis question was posed to me in a national level competition.This key question is from Kirchhoff’s Current Law in chapter Circuit Elements and Kirchhoff’s Laws of Network Theory |
Answer» RIGHT option is (d) 10.56A, 24.65A, 14.79A Best explanation: All the resistors are in PARALLEL, so the VOLTAGE across each RESISTOR is the same V. i1=V/7, i2 = V/3, i3=V/5. By CURRENT law, 50A = V/7 + V/3 + V/5. On solving, we obtain V and then values of i1, i2, i3. |
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