Ac Dc Adapter 7.5 V 500Ma

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FAQ

What is the inductance component
The inductor is composed of skeleton, winding, shield, packaging material, core or core.
How to determine whether the computer adapter is available
Today, there is a typhoon, the home of electricity is not stable, there will be no electricity for a while, and then I charge the laptop in the process, the computer did not boot
What is the difference between a mobile power supply and a power adapter?
Mobile power supply capacity is generally 4000-12000mAh, is a portable external battery.
The role of inductance in the circuit
Any of the current in the circuit, will produce a magnetic field, the magnetic flux and the circuit.
What is the difference between the ballast and the adapter
but the ballast is the special power supply of fluorescent lamp (electrical characteristics of fluorescent lamp special)
What is the substitution principle of inductance?
If the inductor is in the absence of an electric current, it will try to block the current flowing through it when the circuit is switched on; if the inductor is in the state of current passing, it will try to keep the current constant when the circuit is disconnected.
What is the inductance
most of the enameled wire (or wire) around the skeleton, then the inner core or copper core into the heart, skeleton, to increase its inductance.
What is a power adapter, what is the use of
generally consists of a shell, a power transformer and rectifier circuit, according to the type of output can be divided into AC output type and DC output type; according to connection can be divided into the plug wall and desktop