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现一只满偏电流Ig=3mA的电流计G,已知其电阻Rg=100Ω,现在需要把它改装成一只量程Ic=3mA的电流表,如图a所示。 求(1)电阻Rx的阻值 (2)求改装后的电流表电阻Rc的阻值; (3)如图b所示,将改装后的电流表接入电路中。已知电源电压U=10V,电阻R1=5Ω.闭合开关S,移动滑动变阻器的滑片P,使电流表的示数I=1.0A。
Matek System F405-MINI TE Flight Controller Built-in STM32F405RGT6 ICM42605 w/OSD BEC 5V 10V for FPV RC Racing Drone VTX Products shoes men women's clothing iphones 15 pro max smart watch shoes watch for men shoes women electric scooter...
14.现一只满偏电流Ig=3mA的电流计G,已知其电阻Rg=100Ω,现在需要把它改装成一只量程Ic=3A的电流表,如图a所示. 求(1)电阻Rx的阻值; (2)求改装后的电流表电阻Rc的阻值; (3)如图b所示,将改装后的电流表接入电路中.已知电源电压U=10V,电阻R1=5Ω.闭合开关S,移动滑动变阻器的滑片P,使电流表的示数I=1.0A...
【题目】现一只满偏电流Ig=3mA的电流计G,已知其电阻Rg=100Ω,现在需要把它改装成一只量程Ic=3A的电流表,如图a所示.求: (1)电阻Rx的阻值;(2)求改装后的电流表电阻Rc的阻值;(3)如图b所示,将改装后的电流表接入电路中.已知电源电压U=10V,电阻R1=5Ω.闭合开关S,移动滑动变阻器的滑片P,使电流表的示数I=1....
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Matek System F405-MINI TE Flight Controller Built-in STM32F405RGT6 ICM42605 w/OSD BEC 5V 10V for FPV RC Racing Drone DJI VTX No reviews yet Shenzhen Fengfei Electronics Co., Ltd.1 yrCN Previous slideNext slide Previous slideNext slideKey attributes Industry-specific attributes Use Vehicles...