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Yes, check the current tomorrow. Maybe the 12 V supply has insufficient voltage under load. Is the pin made from iron, steel, or maybe...

Is it using an AC or DC supply ? Is the wire the same gauge or diameter ? Can you measure the coil current ?

There are too many possibilities. Almost any small electric motor will do the job. How you construct the slider crank, and mount the...

So you want a handy 1 kg black hole to pass around the classroom ? It will be smaller than a normal proton, how will you hold it ? How...

Vibration is used to remove air bubbles from concrete, and would separate excess water from more dense sand, thickening the fluid. The...

You start with the pump input pipe resting at a low point on the surface.

The sand in the barge was initially saturated. The pump inlet was placed on top of the load at the start, then the hoses were used to...

On pitched roofs, we have a constraint that requires the panels not protrude significantly beyond the existing roof profile. That...

At 100 MHz, the 10 GHz cavity would be well below the cut-off frequency. Depending on the cavity coupling technique, it would appear as...

Are you saying that tornadoes are spawned, attracted, and strengthened by the warning sirens, in the same way that fog horns thicken the...

How fast must it turn? What force is required? What work will the slider crank do?

For a circuit to be without stored energy, it must be a matrix of resistors. For such a three terminal device, you would be unable to...

The characteristic curve does not show resonances, nor charge or information storage. The S21 parameter is the forward transfer...

Only if it is linear, and you have the four scattering parameters at a number of different frequencies.

Nothing is forever, always. If the impedance of the ports are defined, then only one voltage or current is needed. The other ports can...