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Science
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Find Resistance R ohms between terminals A and B?
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Problem is to find the resistance R between terminals A and B. See link below:
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All resistors R, equal 12 Ω in value. Find the resistance between points A and B.
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Unknown Resistor R? dissipates 3.75 Watts. Find the value of R? Ohms. There is no time limit on this one! Once again, student does have an answer. See link below:
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The son of our next door neighbour is doing HND in Electrical and Electronic Engineering and requires some assistance. He has asked me to help but it's a little beyond me. I told him that I'm sure...
Ridges sometimes form across gravel roads when there is sufficient traffic. The roads are basically flat with a sprinkling of small stones. The stones group together into bands, about 15cm apart,...
My optician says that spectacles cannot correct the condition where one eye sees a smaller image than the other. Is it possible to obtain a slight wide-angle lens for one eye, or a slight telephoto...
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I am looking for the total number of possible permutations for the following - All answers are a six digit number, made up of four specific digits for example 1,2,3 and 4 So all answers have...
Scientists now believe that water, exists in ice form on mercury, even though it is the closest planet to the sun. So, is it therefore feasible that water can be found somewhere between the two...
Find the accelerations a₁, a₂, a, of the three blocks shown in figure, if a 1 horizontal force of 10 N is applied on (a) 2 kg block, (b) 3 kg block, (c) 7 kg block. Take g = 10 m/s²....
Google is a right pain in the April with this sort of search. the powers of 2 +1 and -1 are a bit of a short cut with prime identification. i wonder how many have been omitted using this shortcut. Are...
.....all prime numbers larger than 3 are 6n+1 or 6n-1? E.g 73 = 6x12+1.
I've been looking through my phone as the memory seems to be eaten up despite buying a phone with more onboard memory. Apps that don't seem to be complex take up hundreds of MB like Facebook and eBay...
What is the name of numbers whose binary codes are minimally different? I'd like to Neeva them to see if they have an addition algorithm. The numbers 1 to 9 are coded 1, 11, 10, 110, 111, 101, 100,...
Any educated views on the possibility of such a device being developed in the next, say, 50 years?
Five can be seen with the naked eye,
two, Uranus and Neptune, with telescope or binoculars. The show starts at 9pm.
Sorry I can’t post a link but some other kind soul might oblige....
We seem to be scrabbling about looking at the possibility of faster than light travel. I wonder if anything will come of it.
Which continent is warming up faster than any other?
Which country is warming up faster than any other country?...
