Resistor Color Code Calculator Website Digikey.com And Electrodoc Android App | Basic Electronics
Resistors are color coded with markings or bands that allow you to quickly identify resistance values and tolerance. Watch this video to learn more about how to read a resistor.
In this video i am telling you about Resistor Resistance value calculator with color bands. so in this video i will show you best website to calculate the resistance value of a resistor through color bands and i will also show you best android app to calculate the resistance value of resistor.
Website name = Digikey.com
Android App Name = Electrodoc
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Other relevant topics :
Electric current is defined as the rate of flow of electric charge through a conductor.
In other words, it is defined as the amount of electric charge crossing through any cross-section of a conductor in unit time.
So, electric current, i= q/t
where, q is the total charge flowing through any cross-section in time t.
electric current is a scalar quantity.
In S.I., its unit is ampere (A).
1 ampere = 1 coulomb second-1.
Ohm's law :-
Ohm's law states that the current flowing through a conductor is directly proportional to the potential difference across its two ends, provided that the physical conditions ( temperature, mechanical strain, etc ) remain constant.
Mathematically,
V ∝ I
or, V = IR
where, R is constant of proportionality and is called electric resistance of the conductor.
Series combination of resistors :-
Two or more resistors are said to be in connected in series combination, if same current passes through each of them, when some potential difference is applied across the combination.
If R_s is the resistance equivalent to the series combination,
R_s = R_1+ R_2 + R_3 + ....
Parallel combination of resistors :-
Two or more resistors are said to be in connected in parallel combination, if same potential difference is applied across each of them.
If R_p is the resistance equivalent to the parallel combination,
1/R_p = 1/R_1 + 1/R_2 + 1/R_3
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