these documents shows about the circuits in series direction and how they works where the series circuits are uses.

1. Resistance on
Series Circuit
January 1
2019
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Ohm Law

2. Tasks Total Marks ObtainMarks
OhmsLaw(SeriesCircuit)
Simple Circuitwithone resistor
Resistance of cicuiton
multimeter
Simple Circuitwithdifferent
resistor
Contents
1)Ohm Law:....................................................................................................................................................................................................2
Series Circuit:.................................................................................................................................................................................................3
Simple Series circuit with more than one resistance: ........................................................................................................................................3
Using Ohm’s Law in a Simple, Single Resistor Circuit.........................................................................................................................................3
Resistance of circuit on Multimeter: ................................................................................................................................................................4
Simple Series Circuit with Multiple Resistors: ...................................................................................................................................................4
1)Ohm Law:

3. Ohm's law states that the current through a conductor between two points is directly proportionalto
the voltage across thetwo points. Introducing the constantof proportionality, the resistance, one arrives atthe
usualmathematical equation that describes this relationship:
I=V/R:
Series Circuit:
A series circuit is one with all the loads in a row. Thereis only ONE path for the electricity to flow. If this circuit
was a string of light bulbs, and one blew out, the remaining bulbs would turn off.
Simple Series circuit withmore than one resistance:
Using Ohm’s Law in a Simple,Single Resistor Circuit
With a single-battery, single-resistor circuit, we could easily calculate any quantity becausethey all applied to the
same two points in the circuit:
Since points 1 and 2 are connected together with the wireof negligible resistance, as are points 3 and 4, we can
say that point 1 is electrically common to point 2, and that point 3 is electrically common to point 4. Since we
know we have9 volts of electromotive forcebetween points 1 and 4 (directly across the battery), and since point
2 is common to point 1 and point 3 common to point 4, we must also have 9 volts between points 2 and 3
(directly across theresistor).
Therefore, we can apply Ohm’s Law (I =E/R) to the currentthrough the resistor, becauseweknow the voltage (E)
across the resistor and the resistance(R) of that resistor. Allterms (E, I, R) apply to the sametwo points in the
circuit, to that sameresistor, so we can usethe Ohm’s Law formula with no reservation.

4. Resistance ofcircuit on Multimeter:
Resistance of circuit on Multimeter is about 1.183GOhm.
The amount of current ina series circuit is the same through any component in the circuit.
This is becausethere is only one path for current flow in a series circuit. Because electric chargeflows
through conductors like marbles in a tube, the rate of flow (marblespeed) at any point in the circuit (tube) at any
specific point in time must be equal.
Simple Series Circuit withMultiple Resistors:

5. We are using the three resistors of different types and attached with DC voltage. To check the resistance, current
and voltage I will use the multimeter.
The Data on Multimeter is following
1)Multimeter 1:
Voltage of R1: 1.995V
Currentof R1: 2.393mA
Resistance of R1: 199.51Mohm
2)Multimeter 2:
Voltage of R2: 399.042V
Currentof R2: 2.99mA
Resistance of R2: 399.042Mohm
3)Multimeter 3:
Voltage of R3: 5.986V
Currentof R3: 3.981mA
Resistance of R3: 598.563Mohm