Three resistors of 1 Ω, 2 Ω and 4 Ω are connected in parallel in a circuit.
If a 1 Ω resistor draws a current of 1 A, find the current through the other two
resistors.
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5
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Answered by
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Answer:
1 Ω resistor draws a current of 1 A ( parallel combination )
Apply Ω's law ,
⇒ V = IR
⇒ V (1)(1)
⇒ V = 1 V \pink{\bigstar}★
Now , this voltage across all resistors is same ( ∵ parallel combination ).
Current across 2 Ω resistor ,
⇒ V = IR
⇒ (1) = I (2)
⇒ I = ¹/₂
⇒ I = 0.5 A \blue{\bigstar}★
Current across 4 Ω resistor ,
⇒ (1) = I (4)
⇒ I = ¹/₄
⇒ I = 0.25 A
Explanation:
Hope it helps.
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