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.
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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.
A. 电场
B. 电容
C. 存储
D. 电荷
An inductor is an electronic component that can store energy in a magnetic field created by the electric current passing through it.
A. 磁场
B. 导体
C. 电感
D. 能量
A transformer is an electrical component that converts AC electricity from one voltage to another with little loss of power. The input coil is called the primary winding and the output coil is called the secondary winding.
A. 变压器
B. 转换
C. 初级绕组
D. 次级绕组
A transistor is a semiconductor device used to amplify electronic signals. The transistor amplifies current, and the amount of current amplification is called the current gain.
A. 电信号
B. 电流增益
C. 放大
D. 晶体管