# The MrPreva Experiment

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admin posted this 23 March 2017

I think this is perhaps one of the most important experiments anyone could do! A huge amount of information can be learned by running this very simple experiment!

In the specific case of positive charges moving to the right and negative charges to the left, the effect of both actions is positive charge moving to the right.

Current to the right is: I = da+ / dt + da- / dt.

Negative electrons flowing to the left contribute to the current flowing to the right.

The total Current, is the Sum of the both Currents!

We see, 2.8 Amps (da+ / dt) + 2.3 Amps (da/ dt) = the shown: 5.1 Amps as Floyd Sweet told us.

We see a Negative Power Factor, where the Voltage (V) Current (I) are out of phase by a Degree, which results in a Negative Power Factor!

cos(theta)

Where theta is the Phase angle in Degrees. EG:

cos(180) =  -1

You will see there are some problems with the MrPreva Circuit, and it is explained, because, the Current (da- ) has become a Generator, or a Battery, which is the only time  Kirchhoff's Current Law does not hold in an applied situation.

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cd_sharp posted this 25 March 2017

Here is my replication of Mr Preva experiment using a nanoperm core and some UTP cable.

Chris posted this 26 March 2017

Cd_Sharp, this is excellent! Thank you for sharing!

Some very simple observations shot:

• One Globe is very much brighter than the other!
• The other Globe, although illuminated, has a lot less Current through it!

This is such an important experiment! I wish people out there could see that have not done the experiment! I have done this experiment several times and learnt a bit more each time!

I think I might re-do this experiment for the Forum also!

Some data on my Coils:

Input:
Period: 3.320
Offset: 0.160
Degrees: 17.3
Active: 2.203788426168
Apparent: 2.30821
Reactive: 0.686403717929
Power Factor: 0.9547608

L1:
Period: 3.320
Offset: 0.28
Degrees: 30.4
Active: 8.0004243646859
Apparent: 9.275707
Reactive: 4.6938212608966
Power Factor: 0.8625137

L2:
Period: 3.320
Offset: 1.72
Degrees: 186.5
Active: -6.1948770793364
Apparent: 6.234956
Reactive: -0.7058169710592
Power Factor: -0.9935719

My Turns:

L1 Turns: 175
L2 Turns: 88

Chris

parkham posted this 08 June 2017

Hi.  I have a few questions:

Input voltage / amps, how much?

Coil wire gauge?

What capacitor to use?

Also, what are each of the white blocks in your replication?  Can I see the entire picture?  Like what the wires are running to as well?  It's easier for me to see it, in addition to reading the schematic.

Thank you,

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Chris posted this 09 June 2017

Hi.  I have a few questions:

Input voltage / amps, how much?

Coil wire gauge?

What capacitor to use?

Also, what are each of the white blocks in your replication?  Can I see the entire picture?  Like what the wires are running to as well?  It's easier for me to see it, in addition to reading the schematic.

Thank you,

Thanks for the questions Parkham!

The Blocks: Ceramic Power Resistors, 2.2 Ohms for the big ones 10 Watts, 0.1 Ohms for the smaller resistors, 5 watts.

I just used what I had laying around. Just experiment with it till you get the best result. All my wave's measured were sine wave, so no problem with transients.

My Coil turns:

• Turns: 175
• Turns: 88

Note: Turns N, with Current I, equates to the Magnetic Field B, so more turns is better most of the time, just up the Voltage so more Current can flow. The reason I say this, is, its possible to have an experiment where the total Magnetic Field is in sufficient to induce an EMF across the second coil and the Input Current dominates! This means a failure!

This is such a simple experiment, and so much can be learned, if done properly! One can learn a lot about Negative Power Factor, this experiment is the basis for Electromagnetic Induction! Electrical Transformers Work on these exact same technologies!

For someone to say "This experiment does not work", is basically saying that Electromagnetic Induction does not work!

An example of this sort of stupidity:

This is Tinman's effort to replicate the Mr Preva Experiment. It simply is embarrassing! He is saying that Electromagnetic Induction does not work!

After a lot of Down Votes and pressure from people with brains, Tinman tried again, and still failed. Again saying Electromagnetic Induction does not work! Tinmans colleague, Itsu, has however done some excellent work! Showing that, Indeed, Electromagnetic Induction does work as has been stated for some 187 Years, and do in-fact have a valid Law in Nature, thanks to Michael Faraday:

MrPreva replication 1 :

MrPreva replication 2 :

MrPreva replication 3 :

MrPreva replication 4 :

MrPreva replication 5 :

Zanzal posted this 09 June 2017

Hey Chris,

I've not tried the MrPreva experiment as I was fairly certain by looking at it that it would not function if pulsed dc was used to drive it directly (without an inverter) and I don't mess with anything AC. Can you (or anyone else) confirm this assumption?

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Chris posted this 09 June 2017

It is a RLC Resonant Circuit, the Cap and Coil Combination are tunned for RLC Resonance.

So DC Pulsing is possible, an Audio Amp driven with a Sine Function Generator is also another good way to do it, I used this method.

As long as the Cap and Coil are in RLC Resonance, then it doesn't matter what the Circuitry is. Switched DC 50% Duty will be difficult to get RLC Resonance depending on the Circuit, so the Audio Amp is a good way to go.

Chris

parkham posted this 09 June 2017

I'll check the videos, thanks.  I was going to attempt replication using the exact figures on the first diagram - 7 turns and 11 turns before doing any further experiments.  If I do that, any suggestions on what I asked about earlier?

Chris posted this 09 June 2017

I'll check the videos, thanks.  I was going to attempt replication using the exact figures on the first diagram - 7 turns and 11 turns before doing any further experiments.  If I do that, any suggestions on what I asked about earlier?

My only suggestions, same as before:

I just used what I had laying around. Just experiment with it till you get the best result.

Learning is a ton of fun, this is still today one of my favourite experiments! So simple, so Valuable!

Please remember, Floyd Sweet said:

In the specific case of positive charges moving to the right and negative charges to the left, the effect of both actions is positive charge moving to the right.

Current to the right is: I = da+ / dt + da- / dt.

Negative electrons flowing to the left contribute to the current flowing to the right.

Chris

Chris posted this 25 July 2017

To properly reference this thread, I would like to Cite the Reference:

Please see: The Rotary Transformer - Tinman for information on how this very simple Circuit can be used in Above Unity Applications!

We now have busted the door wide open!

Chris

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cd_sharp posted this 27 July 2017

I came back to this experiment because I think I need to learn more about it. Here is my basic setup:

with the yellow trace from the MOSFET gate and the blue one from the drain.

Then I unplugged the capacitor and both lights get dimmed a little, but the effect is still there:

So, the capacitor is not needed for this experiment.

I was unable to obtain current traces on the two lamps. When I tried to connect the scope probes over the two sensing resistors, input current went up and both lamps become equally bright.

I'm thinking that the cause is that the capacitors in the scope probes are generating parasitic oscillation.

Any ideas on how I would be able to obtain the current traces?