A Kitchen Course in Electricity and Magnetism by David Nightingale, Christopher Spencer

By David Nightingale, Christopher Spencer

Electrical energy is throughout us: vehicles, phones, desktops, lighting -- the trendy international runs fullyyt on electrons. yet what are electrons? How do they behave? How can we regulate them? This booklet will make it easier to construct a battery, realize static electrical energy and build a simple present meter, all utilizing universal goods out of your kitchen. alongside the way in which you'll find out about the which means of "voltage" and "current", what makes an LED paintings and the adaptation among AC and DC. The final bankruptcy makes use of transistors -- the fundamental construction blocks of each desktop -- for plenty of attention-grabbing experiments. With lots of colourful illustrations, ancient tales and a simple, available type, "A Kitchen direction in electrical energy and Magnetism" might be an excellent begin for budding and novice scientists who are looking to study extra approximately how the realm works.

Show description

Read or Download A Kitchen Course in Electricity and Magnetism PDF

Similar electricity books

Frequency Measurement and Control

Periodical phenomena or, extra accurately, quasiperiodical phenomena, occupy a principal place in physics. for a very long time, their most vital parameter has been their interval. even if, these days, we're even more attracted to their frequency, and the numerous purposes for this are mentioned during this publication.

Electronic Circuits for the Evil Genius 2/E

The Fiendishly enjoyable strategy to grasp digital Circuits! absolutely up-to-date all through, this wickedly artistic consultant introduces digital circuits and circuit layout, either analog and electronic, via a chain of tasks you are going to whole one basic lesson at a time. The separate classes construct on one another and upload as much as tasks you could positioned to sensible use.

Organic-Inorganic Halide Perovskite Photovoltaics: From Fundamentals to Device Architectures

This publication covers basics of organometal perovskite fabrics and their photovoltaics, together with fabrics coaching and gadget fabrications. targeted emphasis is given to halide perovskites. The opto-electronic houses of perovskite fabrics and up to date growth in perovskite sunlight cells are defined.

Additional resources for A Kitchen Course in Electricity and Magnetism

Sample text

Let us return to a Leyden jar and how it has the “capacity” to store charge. Fig. 20 Possible paths for a tiny (+) test charge near a fixed (+) charge. 14 Experiment with Electroscope and Leyden Jar 19 Fig. 21 On the left there is a charge of 6 coulombs. On the right we have reduced the voltage across the capacitor, and there is now only a charge of 2 coulombs Consider Fig. 21. The usual symbol for a capacitor is two parallel lines, as shown by the two horizontal black lines. We have also shown the direction of the E field, if the top plate is positive—as already described briefly for Fig.

Using standard international units, 40 2 Current and Voltage (1 Coulomb  1 Volt) is called 1 Joule. ) As mentioned earlier, many utility companies prefer to use alternative units for energy, like kiloWatt hours (or kWh), rather than Joules (and there’s an easy numerical conversion). , the Joules/s), is a unit of power. Its name is the Watt, after James Watt (1736–1819) of steam engine fame. Note that if energy/time is power, then of course energy is (power  time). Finally, potential difference is to be visualized as the difference between the height of the coffee in each case, in the bottles of Fig.

It is possible that such a current may just deflect the compass needle of the homemade current meter that we will shortly construct. 5 Humphry Davy’s Voltaic Pile After Volta, the young Humphry Davy (1778–1829) used a really large Voltaic pile around 1802 to pass large currents through various solutions. ) In his experiments, this Cornwall-born boy, son of a wood carver and apprentice to an apothecary, not to mention amateur painter and poet, was able to identify, and isolate, the elements potassium and sodium—all by electrolysis!

Download PDF sample

Rated 4.19 of 5 – based on 47 votes