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New to debugging. How to go about finding a mistake in this exponential voltage converter

This is the exponential converter I'm trying to set up: Marked in purple are the measurements I have taken. As...

1

Electrical Engineering Asked on 2 years ago

STM32 - How does analog configuration of MCU pins affect the power usage?

When I was creating a new project using the STM32CubeMX, I saw a check box stating that setting all free pins as anlog will decrease the power consumption. I couldn't...

3

Electrical Engineering Asked by Caglayan DOKME on 2 years ago

Why doesn't this opamp circuit work?

I did a standard inverting operational amplifier (UA741), with Rin = 6k and Rf = 1k. I have a lab power supply, with 30V of difference...

2

Electrical Engineering Asked by Jom on 2 years ago

is is possible to drop voltage without knowing a components amperage

I am new to circuits/electrical stuff Correct me if i am wrong. if i have an led (2.1V / 0.02A) and if i give it 0.02A it will only take...

1

Electrical Engineering Asked by Yolo Gamer on 2 years ago

Climate Change and Degrees of Freedom of Gases

I studied a sciences of climate change module with the OU a while ago, I'm half remembering something that's bugging me and wonder whether any could help provide some clarification?...

1

Physics Asked on 2 years ago

What exactly is a basis in the context of crystalline solids?

For the purpose of this question, I'm making the assumption that atoms are fixed in space, and as such possess no vibrational degrees of freedom. A crystalline solid is a...

1

Physics Asked on 2 years ago

Capillary Perpetual Motion

Can anyone figure out what is wrong with this perpetual motion machine? What part of it violates physics? I found it on a website a while ago, and I couldn't...

4

Physics Asked on 2 years ago

Mathematical coincidence of the Schwarzschild radius of the Universe?

I read here that a black hole with a mass of the observable universe, $M=8.8times10^{52}kg$, would have a Schwarzschild radius of $r_s=13.7$ billion lightyears. I immediately...

1

Physics Asked on 2 years ago

Why is the field quantization applied to the free particle?

This post claims that there is no real photon (particle) with a plane wave solution well-defined momentum state). It makes sense somehow to me. I can think of several...

2

Physics Asked on 2 years ago

Are there non-constant potentials that result in eigenstates of the Hamiltonian that are all plane waves?

It is commonly known that the eigenstates to the Hamiltonian of a constant potential are plane waves, aka $$V(r) = V_0 Rightarrow Hpsi = n text{ with }...

2

Physics Asked on 2 years ago

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