广东海洋大学电子信息工程专业英语(电子元器件I)概要.ppt

Exercises to the text 线性器件 linear device 与电源并联连接 placed in parallel with a voltage source 放电 discharge 绝缘电阻 insulation resistance Ohm’s law 欧姆定律 Maximum power dissipation最大功率消耗 Nonpolarized capacitance非极化电感 AC resistance交流阻抗 Capacitance itself may be measured on a capacitor bridge电容器的电容量可以通过电容器电桥测量 Voltage divider电压分压器 广东海洋大学 www.51 搜集整理 Specific English for Electronic Information Engineering Teacher：张培珍 Guangdong Ocean University Lesson 2: Electrical Components Index Pre-reading 2.1 Resistors and resistance 2.2 Capacitors and capacitance 2.3 Inductor and inductance Pre-reading 1 2 3 what is a resistor what is Ohm’s law? What is a capacitor and what is an inductor. Read the lesson, paying attention to the following questions. 2.1 Resistors and resistance Resistor: An electrical component that resists the flow of electrical current. Ohm’s law: Words and expressions Resistor n. 电阻器 Resistance n. 电阻，阻抗 Resist 抵制,抵抗 Proportional ,比例的,相称的,均衡的 Formula 公式 Fixed resistor 固定电阻器 Variable resistor 可变电阻 Linear ,Nonlinear线性，非线性 Resistor Resistor is generally a linear device, its Characteristic forms a straight line. linear nonlinear Resistor Various Resistors: Color code of resistor 棕1 红2 橙3 黄4 绿5 蓝6 紫7 灰8 白9 黑0 金(5%)、银(10%),non(20%)表示误差。 第一条色环：阻值的第一位数字；第二条色环：阻值的第二位数字；第三条色环：10的幂数；第四条色环：误差表示。 Color code of resistor Resistance Resistance is the opposition to the flow of current and represented by symbol R. symbol R unit Ohm expression Ω KΩ MΩ Words and expressions Resistance n. 电阻，阻抗 Opposition to 反比例 Conductor 导体 Voltage 电压 Volt 伏特 Power dissipation 功率消耗 Resistance in serial and parallel circuits R1 R2 Rn R1 R2 Rn Serial circuit parallel circuit Limit current to a device Voltage divider Resistance in serial and parallel circuits R1 R2 Rn R1 R2 Rn Serial circuit parallel circuit Words and expressions Voltage divider 电压分压器 Serial circuit 串联电路 Parallel circuit 并联电路 Individual 个别的，单独的，个人的 Reciprocal 相应的，倒数的 Capacitor and capacitance Capacitor: is an electrical fie