বিদ্যুৎ-তত্ত্ব শিক্ষক 8分8 in this circuit is one international volt, while the inducing current varies at the rate of one ampere per second.”= 1oo E.M.U. = 1/9 x 10–: E.S.U. HORSE POWER. The English and American horsepower is defined by some authorities as 746 watts and by others as 440 foot-pounds per second. The continental horsepower is defined by some authorities as 736 watts and by others as 75 kilogram-meters per second. * • . JOULE. Unit of work = Io ergs. Joules = (volts* x seconds) /ohms = watts x seconds = amperes” x ohms >くS6C JOULE'S EQUIVALENT. The mechanical equivalent of heat =4; 185 x 10" ergs. KILODYNE. 10oo dynes. About one gram. K!NIETIC ENERGY in ergs = grams x (cm./sec.)* '2. LITRE. The quantity of pure water at 4°C (760 mm. Hg. pressure) which weighs 1 kilogram and = I'000027 cu. dm. LUMEN, Unit of flux of light-candles divided by solid angles. MEGABAR. Unit of pressure = 1,000.Ooo bars =o'987 atmospheres. MEGADYNE. One-million dynes. About one kilogram. ہی METER CANDLE. The intensity of ilumination due to standard candle distant one meter. MHO. The unit of electrical conductivity. It is the reciprocal of the ohm. MICRO. A prefix indicating the millonth part. MICKOFARAD. , One-millionth of a farad, the ordi nary measure of electrostatic capacity. MICRON, One-millionth of a meter. M1L. One-thousandth of an inch.
