Where are transformers used around the home?
Transformers are used virtually everywhere, including power generation plants, industrial factories, commercial spaces, and residential areas. They can be as tall as a multi-storey building, or even small enough to fit inside an electric toothbrush.
What is a transformer symbol?
A schematic diagram is a graphical representation of an electrical or electronic circuit. … Dot convention markings use dots on the transformer schematic symbol as a way of specifying the winding direction between input and output and therefore the polarity between windings.
What are small transformers used for?
Pulse transformers: These are some of the most used small-sized transformers in electronic devices. They essentially isolate a digital load circuit and supply pulses of constant amplitude to it. Audio transformers: These work at frequencies from 20Hz to 20kHz.
What are some items in the home that require a transformer?
Big electric appliances such as washing machines and dishwashers use relatively high voltages of 110–240 volts, but electronic devices such as laptop computers and chargers for MP3 players and mobile cellphones use relatively tiny voltages: a laptop needs about 15 volts, an iPod charger needs 12 volts, and a cellphone …
What is the symbol for the sun?
|In Unicode||U+2609 ☉ SUN (HTML ☉ )|
|See also||U+2600 ☀ BLACK SUN WITH RAYS (HTML ☀ ) U+263C ☼ WHITE SUN WITH RAYS (HTML ☼ )|