30 The diagram shows a lamp and a resistor connected in a circuit. The lamp is too bright.Which change to the circuit will decrease the current in the lamp and make it less bright? B A connecting another resistor in parallel with the one in the circuit B connecting another resistor in ...
The voltage across a resistor in a circuit is 12 volts and the current through it is 2 amperes. What is the resistance of the resistor? A. 6 ohms B. 8 ohms C. 10 ohms D. 14 ohms 相关知识点: 试题来源: 解析 A。解析:根据欧姆定律,电阻等于电压除以电流,12 伏除以 2 安等于 6 欧...
A reference stage includes a first transistor, a second transistor and a resistor that are connected in series from a voltage rail to a reference load. The resistor has (i) a resistance that is a function of a digital resistance-controlling value, (ii) a first terminal coupled to a gate ...
A resistor is an electronic component that restricts the flow of electric current in a circuit. It is designed to have a specific resistance value, measured in ohms (Ω), which determines how much it impedes the flow of electrons. What is resistor tolerance? How do I connect resistors in ...
aThe resistor performs another important function as well; it dampens any ringing which might be present in the circuit formed by the shunt, the input bypass capacitor, and the wires or traces connecting the two. 电阻器执行另一个重要作用; 它挫伤其中任一也许是存在分流器、输入分流电容器和导线形...
The resistors and LEDs are the most essential electronic components which forms the basis of most of the electrical or electronics circuit. The main function of an LED orLight Emitting Diodeis to emit light once electric current is supplied through it whereas a resistor is used to restrict the...
Learn about the RC circuit and see the components of a resistor-capacitor circuit. Explore RC circuit applications and the function of capacitor and resistor. Updated: 11/21/2023 Table of Contents RC Circuits What is a Capacitor? What is a Resistor? RC Circuit Applications: Combining Resistors...
百度试题 结果1 题目Which of the following is not a type of electrical circuit component? A. Resistor B. Capacitor C. Inductor D. Transformer 相关知识点: 试题来源: 解析 D 反馈 收藏
A resistor is a passive electrical component with the primary function to limit the flow of electric current. The international IEC symbol is a rectangular shape with leads at each end as shown in the figure at left. In the USA, the ANSI standard is very common and represents a fixed resis...
In an electric circuit containing a capacitor, inductor, and resistor the voltage drop across the inductor is given by V_L=I_(0 )ω Lcos( ω t+( π )2), where I_0 is the peak current, ω is the frequency, L is the inductance, and t is time. Use the sum identity for cosine ...