题目内容
A resistor is a two-terminal electronic component that resists the flow of electrical current.
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The current flowing through a resistor is directly proportional to the voltage across the resistor’s terminals. This relation is represented with a well-known Ohm’s law: V = I×R.
Color bands are usually used to represent the resistance value. The first and second band represent the numerical value of the resistor, the third band specify the power-of-ten multiplier.
A capacitor is an electronic component consisting of a pair of conductors separated by a dielectric. A capacitor can store electrical charge in an electrical field.
An inductor is an electronic component that can store energy in a magnetic field created by the electric current passing through it.
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