- #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
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AI Thread Summary
In circuit analysis, current from cell E1 and E2 flows through their respective resistors, with the same amount of current passing through each component. Kirchhoff's law is applied to determine the net current in the circuit, emphasizing that only one current flows through a branch despite containing both resistance and cells. The currents can be labeled as I1 for E1, I2 for E2, and I3 for the resistor R. Understanding these relationships is crucial for accurately analyzing the circuit. The discussion highlights the importance of applying fundamental laws to solve circuit problems effectively.
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
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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.
Neglect gravity other than that of water; neglect friction.
F1=ρgsh=1000*10*1*(1+4)=50000 N;
F1=ρgsh=1000*10*0.1*4=4000 N;
F3=50000-4000=46000 N?
Starting with the mass considerations #m(t)# is mass of water #M_{c}# mass of container and #M(t)# mass of total system
$$M(t) = M_{C} + m(t)$$
$$\Rightarrow \frac{dM(t)}{dt} = \frac{dm(t)}{dt}$$
$$P_i = Mv + u \, dm$$
$$P_f = (M + dm)(v + dv)$$
$$\Delta P = M \, dv + (v - u) \, dm$$
$$F = \frac{dP}{dt} = M \frac{dv}{dt} + (v - u) \frac{dm}{dt}$$
$$F = u \frac{dm}{dt} = \rho A u^2$$
from conservation of momentum , the cannon recoils with the same force which it applies.
$$\quad \frac{dm}{dt}...
I was thinking using 2 purple mattress samples, and taping them together, I do want other ideas though, the main guidelines are;
Must have a volume LESS than 1600 cubic centimeters, and CAN'T exceed 25 cm in ANY direction.
Must be LESS than 1 kg.
NO parachutes.
NO glue or Tape can touch the egg.
MUST be able to take egg out in less than 1 minute.
Grade A large eggs will be used.
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