The horizontal component of earths magnetic field, bh, is the projection of earths. It consists of a coil of insulated copper wire wound on a circular. It consists of a number of turns of copper wire wound on a hoop. Helmholtz galvanometer pdf helmholtz tangent galvanometer. When a direct current flows through the wires, a magnetic field is induced in the space surrounding the loops of wire. To use the galvanometer, it is first set up on a level surface and the coil aligned with the magnetic northsouth direction. Horizontal component of earths magnetic field using a.
To determine the reduction factor of the given tangent galvanometer k. The working of tangent galvanometer is based on the tangent law. It consist of two parallel coaxial coils c1 and c2 having the same radius a and the same number of turns n. A tangent galvanometer consists of a coil of insulated copper wire wound on a circular nonmagnetic frame. This document was uploaded by user and they confirmed that they have the permission to share it. The tangent galvanometer consists of a horizontal test compass mounted at the center of a. The tangent galvanometer was first described in an 1837 by claudeservais mathias pouillet, who later employed this sensitive form of galvanometer to verify ohms law. Physics earth magnetic field using tangent galvanometer slideshare. Physics investigatory project tangent galvanometer submitted by. Helmholtz galvanometer it consists of two equal coaxial coils parallel to each other separated by a distance equal to the radius of the coils. Theory the purpose of this experiment is to measure the horizontal and vertical components of the earths magnetic field. Physics class 12 investigatory project on tangent galvanometer.
Nervander designed the more sensitive tangent galvanometer in 1834, which led to a. Physics investigatory project on tangent galvanometer 34m7gko80z46. To find out the horizontal component of earths magnetic field bh. With your download, get the 7 best papers relevant to this one, including 4 top related papers.
It consist of two parallel coaxial coils c1 and c2 having the. Investigatory physics project file step down transformer. I take this opportunity to express my profound sense of gratitude and respect to all those who helped me throughout this venture. We will accomplish this by using a tangent galvanometer, an instrument which preceded the modern ammeter. The coil can be rotated on a vertical axis passing through its centre. The frame is mounted vertically on a horizontal base provided with leveling screws. Study on earths magnetic field using a tangent galvanometer. Request pdf the tangent galvanometer of johan jacob nervander j. When the wire loops of the tangent galvanometer are aligned with the. Physics earth magnetic field using tangent galvanometer. Physics investigatory project class 12 tangent galvanometer. Tangent galvanometer is an early measuring instrument for small electric currents. I owe my regards to the managing committee and principal of our school for their cooperation and support and for giving. Horizontal component of earths magnetic field galvanometer aim.
Tangent galvanometer electromagnetism force scribd. Helmholtz galvanometer experiment pdf helmholtz tangent galvanometer. The tangent galvanometer of johan jacob nervander request pdf. Physics investigatory project on tangent galvanometer. Connect the power supply, rheostat, ammeter and reversing switch as per the circuit. The magnetic field at the center of a coil of n circular turns, each of radius r and carrying a current.781 1251 867 1226 278 554 1203 1139 1291 830 858 1386 1149 97 212 851 1255 1049 74 762 954 1279 506 133 75 319 271 703 410 977 818 992 1157