What is the main purpose of the tangent galvanometer experiment?
The purpose of this experiment is to measure the horizontal and vertical components of the earth’s magnetic field. We will accomplish this by using a tangent galvanometer, an instrument which preceded the modern ammeter.
What is principle of tangent galvanometer?
Tangent galvanometer is a device used for measuring current. It works on the principle of tangent law. A magnetic needle suspended at a point where there are two crossed fields at right angles to each other will come to rest in the direction of the resultant of the two fields.
Is tangent galvanometer in NEET syllabus?
Is tangent galvanometer in NEET syllabus? no, its not in the syllabus but it was there in previous years as it is a part of magnetism que based on is can be asked so i would suggest that you should prepare for tangent gavlanometer also!
What is Stewart and Gee type galvanometer?
Answer: ✏️Tangent galvanometer is an early measuring instrument for small electric currents. ✏️It consists of a coil of insulated copper wire wound on a circular non-magnetic frame. ✏️Its working is based on the principle of the tangent law of magnetism.
What is the sensitivity of a tangent galvanometer?
The sensitivity of the tangent galvanometer is defined as the ratio of the change in deflection of the galvanometer to the current producing this deflection. A galvanometer is said to be sensitive if it gives larger deflection for a small current. Decreasing the radius (r) of the coil.
What is tangent law of magnetism?
Answer: The tangent law of magnetism is a way of measuring the strengths of two perpendicular magnetic fields. When a magnet is exposed to a magnetic field B that is perpendicular to the Earth’s horizontal magnetic field (Bh), the magnetic field will rest at an angle theta.
Is tangent galvanometer in Ncert?
It’s given in a reference book but not in NCERT.
What is the relation between Gauss and Tesla?
One gauss corresponds to 10-4 tesla (T), the International System Unit. The gauss is equal to 1 maxwell per square centimetre, or 10−4 weber per square metre. Magnets are rated in gauss.
What is Stewart and Gee’s apparatus?
₹ 4,200 Get Latest Price. It consists of a circular frame made from non- magnetic silver aluminum alloy. An insulating copper wire is. wound on the frame. The ends of the wires are connected to the terminals which are fitted on the superior quality.
What is EMU in magnetism?
The term emu is short for ‘electromagnetic unit’ and is not a unit in the conventional sense. It is sometimes used as a magnetic moment (1 emu = 1 erg G−1) and sometimes takes the dimensions of volume (1 emu = 1 cm3).
When did Claude Pouillet describe the tangent galvanometer?
It was first described by Claude Pouillet in 1837. A tangent galvanometer consists of a coil of insulated copper wire wound on a circular non-magnetic frame. The frame is mounted vertically on a horizontal base provided with leveling screws.
What can you do with a tangent galvanometer?
• To measure the horizontal component of Earth’s magnetic field using a tangent galvanometer. • Use the ammeter to monitor the current and the rheostat to limit the current in your circuit. SCALE CURRENT OF THE AMMETER (1.0 A). This could easily destroy the sensitive ammeter, melt the coils of the tangent galvanometer, and pose a fire hazard.
Where does the DPDT reversing switch place the tangent galvanometer?
The DPDT reversing switch (shown at nodes a, b, c, d, e, and f ) places the tangent galvanometer in series with the rheostat and the ammeter. When the switch is closed to the left, the current through the tangent galvanometer is in the direction shown. When the switch is closed to
How can I get the galvanometer to line up?
1. Remove all materials which may influence the magnetic needle (including the ammeter and rheo- stat) from the near vicinity of galvanometer. 2. Using the spirit level, adjust the legs of the instrument until it is level. 3. With no current in the coil, the compass needle is lining up along the North-South direction of