Electronic gadgets have become an integral part of our lives. They have made our lives more comfortable and convenient. we have many applications of electronics like aviation, medical and healthcare etc.
Most gadgets have tiny electronic circuit that can control machines and process information, electronic circuits are the lifeline of various electrical appliances.
There are 2 types of components
Active components: Electronic component which supplies energy to the circuit.
common examples of active components include:
voltage sources
current sources
generators
all types of transistor.
Diodes.
Passive components : Components incapable of controlling current by means of electrical signal are called passive devices.
common examples of passive components include:
Resistors
capacitors
Inductors
Transformers
List of components
Resistor: oppose current and pass current directly proportion to voltage.
Capacitors : capacitors store and release electrical charge. It stores energy in electric field.
Diode : Conduct electricity easily in one direction, among more specific behaviors.
power sources
- Battery : acid or alkali based power supply.
- power supply : usually a main hook-up
- photovoltaic device : generates electricity from light.
Switch : A switch is an electrical component that can disconnect or connect the conducting path in an electrical circuit, interrupting the electric current or diverting it from one conductor to another
Inductors : An inductor is considered as passive element of circuit, because it can store energy in it as a magnetic field, and can deliver that energy to the circuit.
Semiconductor : Semiconductors are materials which have a conductivity between conductors and non conductors.
Integrated circuits : An integrated circuit refers to a special device that had all the components required in an electronic circuit. The component has diodes, transistors and other devices, all of which are etched on a tiny piece of silicon. The componrts are used in watches and computers.
Batteries : Bateeries convert chemical energy into electrical energy. two different cells of a battery are anode ( + ) and cathode (-).
Fuses : Fuses help preserve components from overloading with excessive current. A fuse consists of connection body, support, contacts, and metal-fuse material such as Zinc or copper.
Motors : Motors convert electrical energy into mechanical energy. Key components include a rotor, stator, bearings, and eye bolt.
Circuit Breakers : As a protective device, a circuit breaker can be controlled with a remote switch. It is designed to protect the circuit from overloading or a short circuit.
