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ammeter angle apparatus arrange average block boiler called calories calorimeter cell centimeter circuit closed coil column Compare compass compute Connect convenient copper wire curve deflection determine direction distance draw edge effect electric equal EXPERIMENT figure Finally focal length follows force fork friction galvanometer give given glass grams heat hold induced laboratory lamp length lens lever liquid load magnet mark means measure mercury metal meter stick minute mirror motor move needle object Observe parallel placed plane plate position potential pressure Problem reading record resistance scale screen shown in Fig side sight simple sliding solid SPECIFIC GRAVITY spring balance stand steam strip temperature thermometer tion tube turn vary vibrations voltage voltmeter volume weight wire wood zinc
Página 2 - The square of the hypothenuse is equal to the sum of the squares of the other two sides ; as, 5033 402+302.
Página 89 - REFLECTORS has the greater candle power. Furthermore, since the intensity of illumination decreases as the square of the distance, the candle powers of the two lamps are directly proportional to the squares of their distances from the screen. For example, let 16 = candle power of lamp S, and X = candle power of lamp X.
Página 62 - Compare these results with what might be expected from the thumb rule for a coil. G-rasp the coil with the right hand so that the fingers point in the direction of the current in the coil, and the thumb will point to the north pole of the coil.
Página 61 - Fig. 260) — if one grasps the wire with the right hand so that the thumb points in the direction of the current, the fingers will point in the direction of the magnetic field.
Página 48 - A calorie is the amount of heat needed to raise the temperature of one gram of water one degree Celsius.
Página 91 - ... and the angle between the reflected ray and the normal the angle of reflection.
Página 102 - The magnifying power of a simple microscope is the ratio of the size of the image to the size of the object.