A 'field' is a region in which a body experiences a force owing to the presence of other bodies.
Find the magnitude and direction of the force that our planet's magnetic field exerts on this wire if it is oriented so that the current in it is running (a) from west to east, (b) vertically upward, (c) from north to south. Sun is influencing to Earth's magnetic field more by energetic particles than by its own magnetic field. Thus, the group designed a system to produce magnetic fields similar in strength to the Earth’s fields (about 0.25–0.65 gauss, which is 25–65 microtesla), while eliminating gravitational, electrical, and other factors. The earth's magnetic field may be considered to be due to a short magnet placed at the centre of the earth annd oriented along the magnetic south-north direction. One group of bats was exposed to a field that was oriented 90° clockwise with respect to magnetic north, and the other to a field oriented 90° counterclockwise. Why earth magnetic field is oriented in north south direction? Magnetic field lines are not a real observable thing, they are a tool used in physics to picture magnetic fields. A straight, 2.5-m wire carries a typical household current of 1.5 A (in one direction) at a location where the earth's magnetic field is 0.55 gauss from south to north. Gravitational fields determine how bodies with mass are attracted to each other. The device is oriented so that the needle is perpendicular to the coil when no current is present. The earth's magnetic field and bird orientation Wolfgang Wiltschko Although once a suggestion regarded with derision, the influence natural magnetic fields have on behaviour is now an established fact. A magnetic field is a continuous entity; it has no discrete force lines.
We need you to answer this question! The current is then increased until an angle of 45° is reached, at which point, the coil magnetic field equals in length the horizontal component of the Earth's magnetic field. In electric fields, objects that have an electric charge are attracted or repelled from each other. The ratio of … Many animals can distinguish down from up by sensing the Earth’s gravitational field. In order to determine whether the bats used the Earth’s magnetic field as well as visual cues such as the position of the sun or other stars, they exposed the bats to the rotated fields 45 minutes before and 45 minutes after sunset. Earth’s Magnetic Field is one such field.
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