More about battery (491)

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| Although newer types of solar cell have come to the fore recently, amorphous cells are bound to be with us for some time to come, mainly...

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| Halogen-lamps, particularly highwattage ones, tend to draw very high currents when they are cold, because they then have a very low resis...

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| Model aircraft tend to be realistic reproductions of the real thing. That means, among others, that starting the petrol engine must be d...

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| The perpetual difficulty in designing fast NiCd chargers is determining when the battery is charged, that is, when to stop charging.

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| This handy circuit is intended for battery-operated appliances. lt functions as a touch-operatedsupplyon switch and delayed supply offsw...

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| Many electronics designers give little or no thought during their work to the various types of battery now available, Battery manufacture...

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| A handy square-wave generator is described which provides fifty-seven stable frequencies for the testing of digital circuits. It is batter...

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| Various types of dry and rechargeable battery (with an e.m.f. of

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| The regulated power supply and four identical current sources shown in the diagram enable the simultaneous charging of four 9-volt NiCd b...

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| In older cars, the battery charging voltage is controlled mechanically. The regulator consists of a relay that switches the stator windin...