A. To increase the voltage. B. To decrease the current. C. To increase the current. D. To change the direction of the current. 相关知识点: 试题来源: 解析 B。解析:在简单电路中,电阻器的作用是减小电流。电阻器不能增加电压,也不能增加电流,更不能改变电流方向。反馈...
I got few questions about apd circuit. There's a capacitor between the cathode and ground. What is the role of this capacitor? In picture, it say's 'min. 0.1uF, closest to APD', however, the capacitance of APD is 2.2pF, so it 's much smaller than 0.1uF, but the ...
Referring to configuration A, while I understand the role of the diodes and R1 and R2 in the biasing of the BJTs to avoid crossover distorsion, I do not understand what is the role of R3 and R4 which are in series to the BJTs. My first thought is that ...
Chapter 1 - Resistor Fundamentals The resistor is a passive electrical component that creates resistance in the flow of electric current. In almost all electrical networks and electronic circuits they can be found. The resistance is measured in ohms (Ω). An ohm is the resistance that occurs whe...
In modern electronic circuits, resistors are essential basic components. They play a crucial role in circuits, effectively controlling current, voltage division, and signal adjustment. The basic definition of a resistor is: a component that restricts the flow of current, measured in ohms. This artic...
Measuring current: A multimeter can be used to measure the current in a circuit to determine if the device is working properly. Measurement of resistance: Multimeters can be used to measure theresistance ofresistorsor to check the connectivity of wires and switches. ...
Explore the world of 10k resistors and how they're crucial in electronics. Learn about their uses, how to pick the right resistor values for your circuits, and discover their role in managing voltage and current. This article reveals the ins and outs of
Circuit Protection Components Fuse The fuse acts as the first line of defense, standing guard between the power source and the power supply itself. Its critical job is to sever the connection if the current surges too high, preventing damage to both the power source and its wiring. To ensure...
If two points in a circuit are at the same potential, then the current cannot flow. The magnitude of a current depends on the voltage or potential difference between two points. Hence, we can say the current is the effect of voltage. Electric current can produce electromagnetic fields, which...
A gain of 7 is required from a noninverting constant-multiplier op-amp circuit. If the input resistor is 5 k Ω, what should be the value of the feedback resistor ? A.30 kΩ B.15 kΩ C.7.5 kΩ D.5 kΩ 点击查看答案进入小程序搜题 你可能喜欢 InetAddress类表示...