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The Relay Races
Knowing that magnetism and electronics are related is a very important lesson. Just how important will become evident in the next few lessons, as we will be discussing the interaction of electricity...
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How to Make a Drone / UAV – Lesson 6: Get it All Working Together
How to Make a Drone / UAV – Lesson 1: Terminology How to Make a Drone / UAV – Lesson 2: The Frame How to Make a Drone / UAV – Lesson 3: Propulsion How to Make a Drone / UAV – Lesson 4: Flight...
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Video ya ‘mbabe wa unga’ Mexico alivyonaswa na Polisi miezi 6 baada ya...
Jamaa aliteka sana vichwa vya habari kubwa duniani, jina lake halisi ni Joaquin Guzman a.k.a ‘ El Chapo ‘ ni jamaa ambaye ana kesi za kujihusisha na dawa za kulevya, kajikuta mikononi mwa Polisi...
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Skylight Band sasa imekuja kivingine njoo uone mambo mapya ya mwaka 2016
Mwimbaji wa Bandi ya Skylight, Suzy wakiwapa raha mashabiki wa Skylight Band (hawapo pichani) huku akisindikizwa na Natasha (kulia) pamoja na Leah ndani ya kiota cha Escape One jumapili iliyopita...
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Hatimaye Wizkid kufunga ndoa!
Staa wa muziki kutoka Nigeria, Wizkid. KWA mara ya kwanza staa wa muziki kutoka Nigeria, Wizkid amefunguka kuwa yupo mbioni kufunga ndoa na mchumba wake wa siku nyingi, Tania Omotayo. Wizkid mwenye...
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Magnetic Induction – The Flip Side
previously, we discussed the fact that a wire conducting an electric current, generates a magnetic field around it. Along the same lines, when a magnetic field, radiating from a permanent magnet,...
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A C Theory
Earlier we discussed that there are various ways to produce electricity. We can produce electricity chemically with a battery. We just learned that electricity can be produced mechanically...
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Mutual Inductance and Inductive Reactance
I promised no more math in the last session, and it was difficult. We could have covered the number of turns to inductance: but we didn’t. We could have covered the math behind inductors in parallel:...
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Formula Review
It has been quite prominently established that I hate math as much as you do. However, as you have also found, in order to have a CLEAR understanding of how electronic circuits and components work – a...
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Passive vs. Active Components
As you have figured out by now, there are many different types of electronic components, and you must be familiar with all of these. They all act differently with reference to voltage, current,...
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Vacuum Tubes: A Historical (Hysterical ?) Overview
The vacuum tube, in its very primitive form, evolved from the light bulb. Invented by Thomas A Edison in 1883, the incandescent lamp, had 3 basic necessities to operate: (refer to fig. 1.1) The...
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Yanga yaondolewa na URA ya Uganda nusu fainali, Alikiba jukwaani akishuhudia...
Saa chache baada ya mchezo wa kwanza wa nusu fainali ya Kombe la Mapinduzi kwa mwaka 2016 kumalizika, kwa klabu ya Mtibwa Sugar ya Manungu Turiani kuibuka na ushindi wa goli 1-0 na kuweka rekodi ya...
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Utingo wa basi la Mohammed Trans afa katika ajali mkoani Singida
Kaimu kamanda wa jeshi la polisi mkoa wa Singida, ACP Simon Haule, akitoa taarifa ya ajali la basi la kampuni Mohammed Trans kuuwa utingo wake Abdallah Athumani (35) mkazi wa Shinyanga mjini. BASI...
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Lesson 46 – Semiconductors – Diodes and Transistors
But we’ve already discussed diodes. They are a simple form of vacuum tube aren’t they? Well – yes and no. While diodes existed in tube form for many years vacuum tube diodes had their problems, and...
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Lesson 48 – Transistors
Recall that in a semiconductor diode, we have 2 regions of DOPED semiconductive material. One region is doped positive, and the other region is doped negative. There is also a junction, where the two...
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Lesson 49 – What comes Next?
Back in lesson 45, we hinted that all the circuits you will come across in electronics are made up of a combination of simple circuits. These simple circuits are: Power Supplies Filters Amplifiers...
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Lesson 52 – Filter Circuits Part 2
Filters – Part II Now that you know basically what a filter is, what it does, and how the math is caclulated for building one – let’s see some more complex forms of filters, and see if you can...
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Lesson 53 – Amplifier Requirements and Block Diagrams
Amplifiers This is probably the biggest topic of them all. Electronics was limited to light bulbs and switches until the invention of the amplifier. At first, tubes were the only amplifiers on the...
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CUF: Uchaguzi unaweza kuzua vurugu Zanzibar
Chama cha CUF kimepinga hatua ya tume ya uchaguzi ya kufuta matokeo ya uchaguzi wa urais Chama cha Wananchi (CUF) kimeonya kuwa kurudiwa kwa uchaguzi visiwani Zanzibar kunaweza kusababisha vurugu na...
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Al-Shabab wako ‘huru’ kushiriki soka Somalia
Wapiganaji wa Alshabaab Mkuu wa shirikisho la soka nchini Somalia amesema kuwa kundi la wapiganaji wa al-Shabab liko huru kushiriki katika ligi kuu ya soka nchini humo. Abdiqani Said Arab amemuambiwa...
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