- #1
sArGe99
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Does a part of current form cell E1 go through the cell with emf E2? or only through the resistor R?
Similarly does current from E2 pass through E1?
Circuit analysis - finding resistance
- Thread starter sArGe99
- Start date
In summary, the conversation discusses the flow of current through a circuit, specifically through cells and resistors. It is mentioned that only one current flows through one branch of a circuit, and this can be determined using Kirchhoff's law. The conversation also mentions specific currents passing through cells and resistors, labeled as I1, I2, and I3.
Does a part of current form cell E1 go through the cell with emf E2? or only through the resistor R?
Similarly does current from E2 pass through E1?
- #2
rl.bhat
Homework Helper
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In any circuit, only one current flows through one branch, even though it contain resistance and cell.That net current can be found by Kirchhoff law.
- #3
tiny-tim
Science Advisor
Homework Helper
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Hi sArGe99! 
(try using the X2 tag just above the Reply box)
The same amount of current passes through E1 as through R1.
The same amount of current passes through E2 as through R2.
Call them I1 and I2, and call the current through R I3.
(try using the X2 tag just above the Reply box
)The same amount of current passes through E1 as through R1.
The same amount of current passes through E2 as through R2.
Call them I1 and I2, and call the current through R I3.
Carry on from there.
FAQ: Circuit analysis - finding resistance
What is resistance in a circuit?
Resistance is a measure of how much a material or component impedes the flow of electric current. It is measured in ohms (Ω) and is represented by the symbol "R" in circuit equations.
How do you calculate resistance?
Resistance can be calculated by dividing the voltage (V) by the current (I) in a circuit, using the formula R = V/I. It can also be calculated using Ohm's Law, which states that resistance is equal to the voltage divided by the current.
What factors affect resistance in a circuit?
The three main factors that affect resistance in a circuit are the length and cross-sectional area of the conductor, as well as the material the conductor is made of. Longer conductors and those with smaller cross-sectional areas have higher resistance, while materials with higher resistivity have higher resistance.
How do you find the total resistance in a series circuit?
In a series circuit, the total resistance is equal to the sum of the individual resistances. This means that you can simply add up all the resistances in the circuit to find the total resistance.
How do you find the total resistance in a parallel circuit?
In a parallel circuit, the total resistance is less than the smallest individual resistance. To find the total resistance, you can use the formula Rtotal = 1/(1/R1 + 1/R2 + ... + 1/Rn). This formula takes into account the inverse relationship between resistance and current in parallel circuits.