Answer Recent Asked Questions on TransWikia.com ~ Page 13

Can I share a single pull resistor on multiple enable pins to save space?

I am using this Schmidt trigger IC SN74HCS125 which has 4 channels I would like to save some board space by hopefully using only one resistor to...

Electrical Engineering Asked on 2 years ago

Calculating Antenna Directivity Numerically

The equation for peak directivity of an antenna is this (example source) $${D = frac{1 }{ displaystyle frac{1 }{4 pi} int_{0}^{2pi} int_{0}^{pi} |F(theta,phi)|^2 sin(theta) ,...

Electrical Engineering Asked by AMTK on 2 years ago

Driving Stepper Motor with Sine Wave

I am attempting to drive a stepper motor where each phase draws 1 A at 3.5 V using a sine wave oscillator that outputs two signals 90 degrees out of...

Electrical Engineering Asked by iwcraig on 2 years ago

DC backup battery switching module

It is common to find these cheap Backup Battery Switching on the internet. But the issue I have with these ones is the load gets reset when switching from the...

Electrical Engineering Asked by user115094 on 2 years ago

What is the difference in deformation between a set of rigidly connected rigid bodies and a deformable body?

Consider this hinge joint: In particular, both linkages are rigid and the joint itself is rigid. While the system does...

Physics Asked on 2 years ago

What optical resonator configuration produces the most output power for a laser?

For various reasons, I have a HeNe laser setup with two external spherical mirrors that I can position and align at will. I've looked around at various sources, which all...

Physics Asked on 2 years ago

Is Lithium Plating possible at the cathode, too?

When talking about the Failure Mode 'Lithium Plating' in Lithium Ion batteries, in literature it is just described at the anode and I could not find answers to why it...

Physics Asked on 2 years ago

Which experiment can differentiate a statistical mixture from a superposition state?

I am in trouble with polarization and entanglement. Let's consider three cases : Case 1) : Statistical mixture of $|Hrangle$ and $|Vrangle$ polarized photons Case 2) : Photons...

Physics Asked on 2 years ago

Georgi statements about the symmetry breaking of $rm SO(10)$

Here is a paragraph with some statements about the Gauge Symmetry Breaking from Georgi's book Lie Algebras in Particle Physics 2nd ed -- From Isospin to Unified Theories (Georgi,...

Physics Asked on 2 years ago

What is the point of a voltage divider if you can't drive anything with it?

The voltage divider formula is only valid if there is no current drawn across the output voltage, so how could they be used practically? Since using the voltage for anything...

Physics Asked on 2 years ago

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