Diode

Transistor

Triode

Polyster capacitor

Air conditioner

Micro wave oven

Compute

Television

To minimise the length of cable

For safety rea

To increase the life of bat

To reduce voltage drop

By connecting manually

By using a change over relay

By using rotary switch

By using ICDP switch

Watt hour

Ampere

Volt ampere

Ampere hour