Hukum Kirchoff Arus|Kirchoff tegangan

- Hukum Kirchoff Arus

States that "all the algebraic number of the flow enters a knot / point in the series is a zero" or "the amount of flow that enters the knot in a series with the same amount of flow that is out of the knot."
Expressed mathematically with


As an illustration shown in the picture below:


So based on the law applicable kirchof flow:



-Hukum Kirchoff Tegangan

States that "the amount of voltage that all algebraic corral a road closed (loop) in a series of electricity is zero." Mathematically expressed by:

As an illustration shown in the picture below:

So based on the law applicable kirchoff voltage:



-Example Kirchoff Tegangan

Determine the voltage of the unknown in the following series!


Answer:
By applying Kirchoff voltage law is

-Example Kirchoff Arus

Determine the flow of the unknown from the image below!

Answer:
By applying the law kirchoff flow on a point, it will be valid

By applying the law kirchoff flow at the point b, it will be valid

By applying the law kirchoff flow at the point c, it will be valid

READMORE...

Hukum Ohm

Hukum Ohm
States that "the voltage across the various types of materials are proportionate with the straight flow of the stream." Mathematically expressed by:

Ohm's law formula can be derived as follows:


V is the voltage (in volt), I is the current that flows (in ampere) and R is resistansi or obstacles (in ohm, Ω) which is 1 ohm value is equal to 1 volt / ampere.
Resistansi is a measure of how large flow by preventing elements. Reverse of resistansi (1 / Ω, S) is called with konduktansi (G). Konduktansi is a measure of how good flowing currents akan allowed in the series. The mathematical relationship between resistansi and konduktansi stated with

Example 1
Determine the current that flows in the series when a 12 volt battery is connected with a resistor of 2 Ω!
Answer:

Example 2
Specify resistansi of 44 fluorescent light wall W, which when connected with the voltage of 220 V will then flow currents of 200 mA!
Answer:

READMORE...

Arus |Tegangan|Daya||Energi Listrik

• Arus listrik|Electric current (I)

Electric current states that the number of load flow in a certain direction on a series of electrical elements of each unit of time. Mathematically expressed by:


with,
I: electric current (in ampere)
Q: electric load (in coulomb)
t: time (in seconds)
Than the electric current magnitude have also have a direction (the direction indicated by arrow), which describes the direction of moving cargo electricity.


Tegangan|Electric current (V)
Electric current Work is needed to move the load of 1 coulomb positive from one point to the tip of the point the other end. Mathematically expressed by:


with,
V: voltage (in volt)
Q: electric load (in coulomb)
W: electrical energy (in Joule)

Usually termed as the voltage potential difference between the two dots on a series of elements. For states marked with a voltage algebra plus-minus polarity (+,-) that point with the other point. As an illustration shown in the picture below:


A point means is 5 volt more positive than the point B or point A is -5 volt more negative than point B.

• Daya|Power (P)

Power the rate of electrical energy per unit time to move a load of 1 coulomb through a series of elements. The energy absorbed is proportional to the number of cargo that moved every second (or flow) and comparable with the energy needed to move one coulomb through a series of elements (or tension). Mathematically expressed by:

From the above formula can be derived the power formula as follows:

Sign agreement to current, voltage, power, and concluded in the following picture

Image shows an edge if the element is V volt more positive towards the end of the other point, and if I enter a flow of elements through the end of the positive, then the power P = VI is absorbed by these elements and vice versa.

• Energy (W)

Energy Is the result of the multiplication with the power of time. Mathematically expressed by:

READMORE...

Analisis Nodal/Simpul/Titik -Analisa Rangkain Elektronika

Analisis Nodal/Simpul/Titik Untuk mempermudah Analisa Rangkain Elektronika

Nodal / Simpul /titik Analysis By using this method, we will first obtain the size of the voltage on each of a series in which later can be used to explore the amount of electricity the other.

Stages to implement a Nodal / Simpul / Titik Analysis is this:
1. Determine the amount of twist in the series.
2. Choose a Simpul reference mark and the rest with a certain voltage, such as V1, V2, V3 and so on.
3. Determine the direction of flow on each knot. On a note that is not the directions, the directions are usually chosen exit / leave the simpul. Rename the current I1, i2, I3, and so on.
4. Apply Kirchoff current law at every twist in the simpul, except reference. Consider that all flows that do not know the directions, will leave every simpul.
5. Complete equality of linear simultan

Example
From the following series, specify the size of the voltage is in each simpul it!


Answer:
Determine the number of simpul:


Simpul V1:


Simpul V2:


Expressed in the form of a matrix:

READMORE...

Analisis Loop/Mesh Pada Rangkaian Elektronika

Analisis Loop/Mesh Pada Rangkaian Elektronika

Stages to implement the Loop Analysis / Mesh is this:
1. Determine the direction of flow in each loop in the series. Usually selected with the clockwise direction.
2. Determine the polarity of each element in the series.
a. In the source: cash flow from the polarity (-) to the polarity (+)
b. In the burden: cash flow from the polarity (+) to the polarity (-)
3. Apply Kirchoff Voltage Law in each loop is in series, so that equality of the number of the loop.
4. Complete the simultaneous equation.

Example
Decide which is the current flowing in each loop of the following series!

Answer:
specify the first flow direction in each loop. We select the direction of the finger so that it becomes a series:

By applying Kirchoff voltage law to each loop is

With substitution and eleminasi second loop equation is:

Equality of loop I1

Simultans that equality can also be obtained by using matrix algebra with the first claim to the loop equation in the form of a matrix as follows:

READMORE...

Transformasi Sumber

Transformasi Sumber

When we apply a method to analyze a series of DC, may be necessary to change the source of flow into voltage source or voltage source into a source flow.

Not any source can be transformed. A voltage source in series with the new resistans can be transformed into a source of flow in parallel with resistans. Instead of a flow in parallel with the resistans transformation can be a source of voltage in series with the resistans. In general, how to change the power source into a source of other types shown in the picture below:

• Example

with the Sources Transformation, Change voltage source in the image below into the source flows!

Answer:

The results shown in the picture below:

• Example 2

with the Sources Transformation, Change flow Source on the images below are a source of tension!

Answer:

The results shown in the picture below:

READMORE...

Teorema Thevenin - Analisis Rangkaian Elektronika

Teorema Thevenin untuk menganalisis Rangkaian DC

Thevenin theorems states that any two of the series can be converted into an equivalent set of which consists of a voltage source thevenin (ETH) and a resistans equivalent thevenin (RTH) is in series with voltage source thevenin.


Steps to find the rope thevenin is:
1. Specify two of the series who want to search string thevenin it.

2. Determine the amount of voltage thevenin (ETH), namely the voltage between two terminals which want to search a series of rope thevenin it.

3. Specify the size of the resistans thevenin (RTH) is equivalent resistans a review / calculated from the two-terminal series who want to search string theveninnya. At the time resistans thevenin determine this, all sources should be eliminated. Voltage source into a series of short relationships and sources of flow into a series of open relationship.

4. Strand thevenin its image.

Example
Specify thevenin strand of a series that is connected to resistor R3 on the image below!


Answer:
specify the first series who want to search thevenin its rope, as the picture below:


Then specify the ETH:


ETH is the same as the voltage between the terminal R2


Determining RTH:
Eliminate all sources used in the series. Thus the voltage source into a series of short Hubung (V = 0). Series is to be:

then, its thevenin strand shown in the picture below

READMORE...

Teorema Norton-Analisis Rangkaian Listrik

Teorema Norton untuk menganalisis Rangkaian listrik DC

Norton theorems is that, any two of the series can be converted into an equivalent set of which consists of a current source (IN) and a norton equivalent resistans (RN) with a source flow dipararel it.

Steps to find the rope it is:
1. Specify two of the series who want to search string norton.

2. Determine the amount of the cash flow it is that flows between two terminals in the series who want to search string norton. Because we want to explore the current two terminals must be linked to a series of short first so you can cash flow.

3. Specify the size of the resistans norton is the equivalent resistans review / calculated from the two-terminal series of string which you want to search it. Resistans determine at the time it is, all sources should be eliminated. Voltage source into a series of short relationships and sources of flow into a series of open relationship.

4. Picture a rope to its norton.

• Example

Specify the Norton string it, for a series connected with resistor RL = 6Ω on the image below!


Answer:
To simplify, first series of pictures which you want to rope it is sought, such as the following picture


Determine the flow norton (IN):
relationship short of the first two series of the string it would look for it, so that the circuit is to be:

Resistans R2 will not flow because there is a short relationship. Cash will flow through the short series. Norto Flow (IN) then it is, to be:

RN specify:
first remove all sources that are in series, so that the voltage source into a series of short relationship (V= 0). Series is to be:

Then combine with the search results Rn and In, of norton String it, can picture the following:

READMORE...