All Questions
5
questions
0
votes
1
answer
172
views
How would I test forward voltage?
I tried to test an LED but my multimeter only displays 0L. Does anybody know what to do if it doesn’t have a select button?
14
votes
1
answer
2k
views
0
votes
0
answers
59
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Should I get a multimeter to check size of voltage to avoid damaging a logic analyser?
I am looking into getting a Saleae logic analyser for a project to reverse engineer an electronic display and buttons for use with a RaspberryPi.
I think it should be OK as I would doubt, by my own ...
0
votes
1
answer
273
views
How will I get the per-unit parameters when the data from the short-circuit test are shady?
Data from short-circuit and open-circuit tests of a 60-Hz, 100-kVA, 4600–230-V transformer are:
VOC = 230 V
IOC = 14 A
POC = 60 W
VSC = 172.3 V
ISC = 20.2 A
PSC = 1046 W
Get (a) ...
4
votes
8
answers
9k
views
Calculating current draw from a battery using voltage and time information
Is it possible to work out the current or power a device is drawing/using, based on the following information:
Maximum capacity of a battery (48 Ah)
A table of voltage readings over time (starting at ...
