In case of circuit laws, the currents flowing in various conductors in an electrical circuit are calculated by applying ________.

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SSC JE Electrical 11 Oct 2023 Shift 3 Official Paper-I
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  1. Laplace’s law
  2. the network reduction method
  3. the direct method
  4. Kirchhoff’s law

Answer (Detailed Solution Below)

Option 4 : Kirchhoff’s law
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In the case of circuit laws, the currents flowing in various conductors in an electrical circuit are calculated by applying Kirchhoff’s law.

Kirchoff's Current Law (KCL):

According to the KCL: at any node, the sum of all incoming currents is always equal to the sum of all outgoing currents.

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\(I_1+I_4=I_2+I_3+I_5\)

Kirchoff's Voltage Law (KVL):

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According to Kirchhoff's Voltage Law, The voltage around a loop equals the sum of every voltage drop in the same loop for any closed network and equals zero.

\(V=V_{R1}+V_{R2}+V_{R3}\)

\(V=I({R_1}+R_2+R_3)\)

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