1-31 WARNING Transformers are often used to STEP-UP voltage. You may find a low voltage across the primary and a much higher voltage across the secondary. Use extreme caution, especially when working around television and other crt high voltage transformers. They often step voltages up to, or in excess of, 30,000 volts. BASIC ELECTRONICS FORMULAS Basic electronics formulas are included to aid you in solving any electronics problem that you may encounter. These formulas are for antennas, resonance, transistors, vacuum tubes, wavelength, and radar. Additional formulas may be found in the appropriate NEETS module. AntennasAn antenna is a conductor or a group of conductors used either for radiating electromagnetic energy into space or collecting it from space or both. Antenna gain remains the same for the antenna whether it is transmitting or receiving. Antenna gain (G) can be described as the effectiveness of a directional antenna in a particular direction, compared to a standard or reference antenna. Some antenna formulas are shown below:
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