Questions tagged [volts]

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6
votes
3answers
1k views

Can I use 1000v rectifier diodes instead of 600v rectifier diodes?

I plan on doing some wiring but the directions are asking for 1A 600v rectifier diodes. I could only get my hand on 1000v rectifier diodes and before I continue I want to make sure this is safe as if ...
1
vote
0answers
125 views

How to identify and wire leads on a one phase 6 lead, capacitor start, capacitor run electric motor

The leads are labeled U1, U2, U5, U6, Z1, and Z2. My research has found wiring diagrams on 4 lead motors where U1 & U2 are main winding and Z1 & Z2 are auxilary winding. Start capacitor wired ...
0
votes
1answer
37 views

Discrepancy in my dB SPL calculations

Having read through this post I tried an experiment. I connected a Extech sound level calibrator to a Type 4189 microphone. The output sensitivity of the microphone is 50 mV/Pa,-26 dB ± 1.5 dB re ...
0
votes
1answer
88 views

What defines Volts, Amps, Watts and mAh?

My current understanding is as follows: Volts: Speed of electron flowing. Amps : Number of electrons flowing. Watts: Amps x Volts measured for "some" time. mAh: Very confused to come up with ...
0
votes
1answer
59 views

How can I interpret the readings of a USB voltage tester considering the input voltage is 5V and I am charging a 3.7V battery?

I have this USB voltage tester that I place between my usb wall charger and a USB charging cable. This device gives me the total current that went through over a period of time. Let's say after 2.5h ...
0
votes
2answers
62 views

What is a Kva in simple terms, for somebody who doesn't know electrical engineering?

I have a DC circuit that runs on 8.1 A × 12 V (97.2 W). Power is supplied from a AC-DC transformer that plugs into a socket. How many of these can I run in a place that provides a maximum of three-...
0
votes
1answer
423 views

To convert Volts in dB SPL confusion

I wanted to convert volts into dB SPL. Thankfully, I found this article convert Volts into dB SPL While trying to understand why he was adding the mic sensitivity along with 94 dB SPL, I found ...
-1
votes
1answer
153 views

Dual 50v DC boost converters in parallel?

I'm very new to electrical components, should I be on this website? I'm modifying an electric scooter to run at 50 volts as opposed to its rated 24 volts. The most I’ve seen the motor draw is 45 amp ...
0
votes
1answer
43 views

When I connect 2 motors to a battery do the motors share volts or amps?

That is, when I have an 8.4 v 3000 mAh battery connected to two of the same (DC) motor, is each motor getting 4.2 volts, 1500 mAh or both? Or am I just super confused?
0
votes
2answers
56 views

How to get a Lipo to discharge at 3volts continuously

So let me start off by saying I'm brand new at this, but I'd like to learn. I have a 3v Motor that I need to run. I want to create a way to use a rechargeable Lipo to run the motor. How can I keep a ...
0
votes
1answer
90 views

Amp draw at different voltage

I would like to power a 12 volt automobile radiator fan with a 110 volt generator. I need to know what the amp draw will be on the 110 generator. At 12 volts the fan is rated at 24 amps. If I use a ...
-5
votes
1answer
5k views

What's more deadly? Watts, volts, or amps? [closed]

This is a question I've wondered for years but not one person has been able to give me a short and sweet answer; from least deadly to most deadly, what's more deadly? Watts, volts, or amps? And what ...
14
votes
3answers
2k views

Standard Volt and Ampere

A recent question on here asking about how to calculate the accuracy of a circuit got me thinking about calibration in general. In particular, as EEs we routinely use volts and amperes as a unit and ...