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Three resistors with magnitudes 2,4 and 8 ohm are connected in parallel. The equivalent resistance of the system would be
  • a)
    less than 2 ohm
  • b)
    more than 2 ohm but less than 4 ohm
  • c)
    4 ohm
  • d)
    14 ohm
Correct answer is option 'A'. Can you explain this answer?
Verified Answer
Three resistors with magnitudes 2,4 and 8 ohm are connected in paralle...
1/R=1/R1+1/R2+1/R3
= 1/2 + 1/4 + 1/8 
=7/8
R=8/7, It is more than one and less than 2.
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Three resistors with magnitudes 2,4 and 8 ohm are connected in parallel. The equivalent resistance of the system would bea)less than 2 ohmb)more than 2 ohm but less than 4 ohmc)4 ohmd)14 ohmCorrect answer is option 'A'. Can you explain this answer?
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