In parallel circuit , which of the following is same as resistor
Answers
Answer:
The voltage across each resistor within a parallel combination is exactly the same but the currents flowing through them are not the same as this is determined by their resistance value and Ohms Law. Then parallel circuits are current dividers.
Given : parallel connection of resistances
To Find : Which of the following is the same in parallel connection of resistances ?
A Potential difference
(B) Current
(C) Both Potential difference and current
(D) None of these
Solution:
parallel connection of resistances :
Potential difference is the same in parallel connection of resistances
Potential difference = V
Current in Each resistance = V/R
Total Current = Sum of currents in all parallel branches
V/R = V/R₁ + V/R₂ + V/R₃ +. + , + V/Rₙ
Series connection of resistances :
Current is the same in series connection of resistances
Current in Each resistance = I
Potential difference across each R = IR
V = IR₁ + IR₂ + IR₃ +. + , + IRₙ
correct answer is :
Potential difference is the same in parallel connection of resistances
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