knob. Inusing the tongs contact should first be made to the coatingand then the other leg presented to the knob. If the re-verse order is followed the spark will be drawn from theouter coating and may damage it. A Ley den jar whose diameter is 23 cm. and the coating33 cm. high has about 2,700 sq.… … Fig. 26. and 1 cm. thick, using dry air as the dielectric will have acapacity depending upon the distance between them as fol-lows: .1 cm. .000289 microfarad. .2 cm. .000149 microfarad. .5 cm. .000064 microfarad.1.0 cm. .000035 microfarad. $2 STATIC ELECTRICITY. 29. Seat of the Charge.— If a Ley…
Electronics · Electricity
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