More about battery (492)

1-07-1992 | The reliability of readings of battery-operated measuring instruments depends, of course, on the state of the battery. Even simple instrum...

1-07-1992 | 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...

1-07-1992 | Halogen-lamps, particularly highwattage ones, tend to draw very high currents when they are cold, because they then have a very low resis...

1-07-1992 | Model aircraft tend to be realistic reproductions of the real thing. That means, among others, that starting the petrol engine must be d...

1-07-1992 | The perpetual difficulty in designing fast NiCd chargers is determining when the battery is charged, that is, when to stop charging.

1-07-1992 | This handy circuit is intended for battery-operated appliances. lt functions as a touch-operatedsupplyon switch and delayed supply offsw...

1-02-1992 | Many electronics designers give little or no thought during their work to the various types of battery now available, Battery manufacture...

1-02-1992 | A handy square-wave generator is described which provides fifty-seven stable frequencies for the testing of digital circuits. It is batter...

1-12-1991 | Various types of dry and rechargeable battery (with an e.m.f. of

1-12-1991 | The regulated power supply and four identical current sources shown in the diagram enable the simultaneous charging of four 9-volt NiCd b...