Connect the parallel crcuit below, using all three resistors connecting the DMIM

Question

Connect the parallel crcuit below, using all three resistors connecting the DMIM as an a Reviea the instructicns for of the pasallel ciucut and measure the indrdul branch cureats Recor your mesurees in the table below. mmeter in step 2 Conmect it fist betveen the postive ternunal of and the parallel curtatyaction to measure l· Thenmenipt the varous branches Parallel . '-fle2245 v, 4.ub -D.027415 Figure 6.4 % Erro Measured Calculated 2 lo On the basis of your first set of dats, what is the pattern for bow curent behaves in a series circuit? Ar dhis pount you should be able to suamarize the behavior of all taree queatites resistance, voltage and cureat-in series cueusts On the basis of your second set of data, are there any patems to the way that currents behave in a parallel circuir? Ar this time you should be able to wite the general characteristics of curents, voltages and resistances in parallel circuits Discussion l:/:.. 20

Explanation / Answer

By looking at the values, we can make the following conclusion,

I4=I5= ( I1+I2+ I3) ( that is current coming out of a battery is equal to current going in the battery)

and in parallel circuit total current coming out of the circuit divides itself into different branches depending upon the resistance of each branch.

Further, the potential difference across each resistor is same in a parallel circuit which is equal to the voltage drop across the battery.

I4= I1 + I2 + I3

V/ Req= V/ R1 + V/R2 + V/R3

1/ Req = 1/ R1 + 1/R2 + 1/R3

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