Q157 / 180 · COMEDK 2020 · Physics

Point out the right statements about the validity of Kirchhoff's junction rule,

  • A
    it is based on conservation of charge.
  • B
    outgoing currents add up and are equal to incoming currents at a junction.
  • C
    bending or reorienting the wire does not change the validity of Kirchhoff's junction rule.
  • Correct answer
    D
    All of the above

Solution

According to Kirchhoff's junction rule, $$ \Sigma I=0 $$ L.e. sum of total incoming currents $=$ sum of total outgoing currents. Hence, it is based on the law of conservation of charges. Henoe, all the statements are correct.

Hence, the correct answer is option: 'D'.

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