If the current through a resistor is doubled, what will happen to the power dissipated by the resistor? A. It will be doubled. B. It will be quadrupled. C. It will be halved. D. It will remain the same. 相关知识点: 试题来源: 解析 B。解析:功率等于电流的平方乘以电阻,电流加倍,...
decrease the voltage C. decrease the resistance D. disconnect the circuit 相关知识点: 试题来源: 解析 C。解析:根据欧姆定律(Ohm's law),电流(current)等于电压(voltage)除以电阻(resistance),即I = V/R。要增大电流,可以减小电阻。A选项增大电阻会使电流减小;B选项减小电压会使电流减小;D选项断开电路则...
百度试题 结果1 题目Ohm's law allows us to calculate the ( ) through a resistor if the voltage across it and resistance are given. A. resistance B. current C. voltage D. inductance 相关知识点: 试题来源: 解析 B 反馈 收藏
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the opening of the injector, measuring the current i passing through a measuring resistor r according to the time t, determine a time 蟿 to reach a value of predetermined intensity (ipred), lower than the maximum intensity (imax), calculate the inductance l as a function of the time ...
a单行线 单行线[translate] a你直接下订单 我看下 Your direct under order form I look[translate] aMorvi, District Rajkot,Gujrat, India Morvi,区拉杰科特, Gujrat,印度[translate] areview and approval. 回顾和认同。[translate] aCurrent sense pin. The MOSFET current is sensed via a resistor, and...
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In order to produce the correct forward current through an LED, place the positive side of the DC power supply to the anode of the LED and then place a resistor in series with the LED to limit the current. The current should be about 20mA if a visible light LED and 50mA if an infrar...
If Register extpa_msc, Field extpa_bias_src = 0, the current is derived from the external bias resistor. If Register extpa_msc, Field extpa_bias_src = 1, the current is derived from the internal reference generator. The first option is more accurate and is recommended whenever possible....
aI1 is the emitter current through load resistor R1. To work effectively in the linear mode, R2 should be small, typically around 470or less, depending on the drive current I2 and the design objective. I1是放射器潮流通过装载电阻器R1。 要有效地运作在线性方式下, R2应该是小的,典型地在470...