Ac Dc Adapter 7.5 V 500Ma

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FAQ

Is Australia's power adapter the same as Europe?
Voltage is 240V, voltage is based on the country, China is 220V, the United States and Canada is 110V
Inductance works?
When the current in the coil is changed, the magnetic fields around also produced corresponding changes, this change can make the magnetic field coil induced electromotive force (EMF is used to represent the terminal voltage of the active element of ideal power source, this is the self).
How to determine whether the computer adapter is available
Always worried that will affect the computer, so full after I put the adapter pull from the computer
How to classify inductors
Fixed inductors are divided into hollow inductors, inductance, iron core inductor, according to its structure and shape of pin mode can be divided into vertical to horizontal axial pin pin inductors
What are the two functions of the inductor in the circuit
The role is to impede the flow resistance current power consumption for the logo, change of inductance to impede current is purely to increase the current change
Linear adapter and switching power adapter
Linear power supply efficiency is low, but switching power supply efficiency is high.
What is the difference between transformers and inductors
high frequency magnetic circuit can be open, such as iron oxygen and air core coil, low frequency magnetic circuit is closed, such as iron core and ferrite core
What is a power adapter, what is the use of
The utility model is widely used in the equipment such as the telephone master machine, the game machine, the language repeater