题目内容
The Henry(Symbol: H) is the unit of resistor.
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A resistor is a two-terminal electronic compoment that resists the flow of electrical current.
An inductor is an electronic component consisting of a pair of conductors.
The farad(Symbol:F) is the unit of capacitance.
A transformer is an electricl component that converts AC electricity from one voltage to anther with little loss of power.
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