Important Solutions 17 ... perpendicular to the magnetic axis of Earth. The same needle is then allowed to vibrate in the horizontal plane and the time period is again found to be 2 sec. Maharashtra State Board HSC Science (Electronics) 11th. If BH = 0.314 × 10^-4 T , the current in the coil is : The time period of vibration is found to be 2 seconds. The magnitude of the horizontal component of the earth ' magnetic field at the place is known to be . Then the angle of dip is A magnetic field is directed perpendicular to the plane of a circular coil of area 0.2 m² and 250 turns. Here the needle and vertical scale are in a plane perpendicular to the magnetic meridian. A voltage measured perpendicular to the plane is indicative of the CME of hot electrons. A dip circle is taken to geomagnetic equator. The box is then rotated through 90 o position on the horizontal circular scale. Textbook Solutions 6926. Another magnetic needle free to rotate in a vertical plane parallel to the magnetic meridian has its north tip pointing down at with the horizontal . Click hereto get an answer to your question ️ A vertical circular coil of radius 0.1 m and having 10 turns carries a steady current. A magnetic needle free to rotate about the vertical direction (compass ) point west of the geographic north . Then the angle of dip is (a) 0° (b) 30° (c) 45° (d) 90° Magnetic meridian is the plane . The electron follows a circular path of radius R. In a time, t, the electron travels halfway around the circle. When the plane of the coil is normal to the magnetic meridian, a neutral point is observed at the centre of the coil. Real dip theta=40.9^@ Let the vertical component of earth's magnetic field be V and its horizontal component at magnetic meridian be H. Then the angle of dip theta at magnetic meridian will be given by tantheta=V/H.....[1] When the dip needle is suspended at an angle of 30^@ to the earth magnetic meridian then it makes an angle 45^@ with the horizontal. The needle will stay (a) in horizontal direction only (b) in vertical direction only (c) in any direction except vertical and horizontal (d) in the direction it is released passing through the magnetic axis of Earth. For a vertical plane other than magnetic meridian $\alpha>0$ or $\cos \alpha<1$ so $\theta^{\prime}>\theta$ In a vertical plane other than magnetic meridian angle of dip is more than in magnetic meridian. A dip needle vibrates in the vertical plane perpendicular to the magnetic meridian. perpendicular to geographic axis of Earth. An electron with charge -e and mass m travels at a speed v in a plane perpendicular to a magnetic field of magnitude B. If the magnetic field is increased from 0.01 T to 0.06 T during a time interval of … To get the true heading, you need to first read the magnetic compass, then either add an Easterly, or subtract a Westerly, magnetic variation; based on the isogonic lines. The horizontal component of the earth’s magnetic field at the place is known to be 0.35 G. Determine the magnitude of the earth’s magnetic field at … Reuse & Permissions × A magnetic field B is applied perpendicular to the plane of the sample. A dip needle vibrates in the vertical plane perpendicular to the magnetic meridian. Illustration of a thin-film CME measurement geometry in the presence of a strong in-plane electric field (E). The same needle is then allowed to vibrate in the horizontal plane and the time period is again found to be 2 seconds. What is the amount of work done by the magnetic field? 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