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By: Ikedi Ani-okoye.

Electronic circuits explained

Analog elctronic circuits are those in which electric signals vary continuously to correspond to the information being represented. Electronic equipment like voltage amplifiers, power amplifiers, tuning circuits, radios, and televisions are largely analog (with the exception of their control sections, which may be digital, especially in modern units).

In digital electronic circuits, electric signals take on discrete values to represent logical and numeric values that represent the information to be processed. Transistors are used primarily as switches to make logic gates . Examples of electronic equipment which use digital circuits include digital wristwatches, calculators and PDAs, and microprocessors.

Electronic circuits electronics

Electronics is a branch of physics which builds further on the knowledge gained in electrical technology. Electronics studies the movement of electrons controlled under an electric or magnetic field, electrical current, light, and so on.

Electronics continues to make changes in our daily lives and may be found in information, signalling, consumer and industrial electronics such as television sets, radios, kitchen appliances, telephones, computers, the internet and so on.

An electronic circuit

An electric circuit (also referred to as electrical make) is a closed circuit of electrical conductors in which a current of electricity flows from one or more charged sources. Negatively charged electrons move within these conductors using electrostatic forces. The intensity of the current running through the circuit depends on the charged source, the device consuming the energy, the cross-sectional size and length of the conductor, and the temperature and nature of the substance the conductor is composed of.

CONCLUSION

In an electrical circuit, voltage is measured in volts (V) and current in amperes (A). The magnitude of a current is the amount of electrical charges which pass through the electrical circuit in one second. Electrical charge is measured in coulombs (C).
The output (P) of an electric circuit is the product of its voltage (U) and current (I).