How can I do that 😭 Ag2?
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Byovo23
The resolving power of an optical instrument is the reciprocal of the line spacing that can just be separated. The line spacing that can just be separated in a microscope is 4 µm. What is the resolution of the device? The correct answer is: 2.5∙10 5 m -1 How do you find the solution?
Each of the three branches (R4, R6 and R7) has a resistance of 30 ohms. The 10 ohms are connected in parallel. The 20 Ohm series resistance comes to this. That’s 30 ohms.
So 100 mA flow.
One third of them (33.33 mA) flows through R4.
Of which half (16.67 mA) flows through R3.
You make one step after another. First of all, you have R1 and all the rest in series. The rest are 3 composite resistors in parallel connection. The combined resistors are again …
Thus you can gradually calculate all resistors and according to the rules also the voltages that are present, and the currents that are diligent.
calculate total resistance, calculate current and voltage by and to R1, R4 and R3.
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