Sentence Examples


  • Electrostatic fields come from a voltage gradient and can exist when charge carriers are stationary.
  • So again, in the case of the Paris curves, the absolute value of the diurnal range in summer was much greater for the Eiffel Tower than for the Bureau Central, but the mean voltage was 2150 at the former station and only 134 at the latter.
  • To ascertain how the increase in the voltage varies as the height in the free atmosphere increases, it is necessary to employ kites or balloons.
  • These spark balls are connected either to the secondary circuit of an induction coil I, or to that of an alternating current transformer having a secondary voltage of 20,000 to 100,000 volts.
  • The reason for this is that the capacity of a simple antenna is very small - it may be something of the order of 0.0002 of a microfarad - and hence the energy stored up in it even under a high voltage is also small.

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