Basic formulas in electronics that everyone should know:
👉🏻Ohm's law: This is the fundamental relationship between electric current, voltage, and resistance. It states that the current flowing through a conductor is directly proportional to the voltage applied across it, and inversely proportional to its resistance. Mathematically, it is expressed as I = V/R, where I is the current in amperes, V is the voltage in volts, and R is the resistance in ohms.
👉🏻Kirchhoff's current law: This law states that the sum of the currents entering a junction in a circuit must be equal to the sum of the currents leaving that junction. Mathematically, it is expressed as the sum of all the currents entering a junction equals the sum of all the currents leaving that junction.
👉🏻Kirchhoff's voltage law: This law states that the sum of the voltage drops in a closed loop must equal the sum of the voltage rises in that loop. Mathematically, it is expressed as the sum of all the voltage drops around a closed loop equals the sum of all the voltage rises around that loop.
👉🏻Power formula: This formula relates the power dissipated in a circuit to the voltage and current flowing through it. It states that the power P in watts is equal to the product of the voltage V in volts and the current I in amperes. Mathematically, it is expressed as P = VI.
👉🏻Capacitance formula: This formula relates the capacitance C of a capacitor to its physical dimensions and the type of dielectric material used. It states that the capacitance is equal to the ratio of the charge Q stored on the capacitor to the voltage V across it. Mathematically, it is expressed as C = Q/V.
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