Nvis 6052 experimentation with sonometer is a useful apparatus for investigating the vibration of a string or wire under tension. To determine the frequency of alternating current using a sonometer and an electromagnet. A step down transformer is used for the determination of frequency of a. Which type of transformer is used in sonometer experiment and what is it. To determine the frequency of alternating current using a sonometer.
To find the frequency of the alternating current with the help of a sonometer. If the applied frequency is equal to the natural frequency of a vibrating body then the body vibrates with maximum amplitude. When the frequency of the applied force is equal to the na. Basically the frequency f of a stretched string depends upon the length of the string l, the tension t, and the mass per unit length m. Its best to cclamp the sonometer to the lecture bench or cart so that it doesnt slide around. Determine the frequency of ac main using sonometer. Describe the sonometer experiment by signing up, youll get thousands of stepbystep solutions to your homework questions. To find the frequency of the ac mains with sonometer. It is a device, which converts high voltage currents to low voltage currents.
Sonometer with nonmagnetic wire, two bar magnets, stepdown transformer of 68 volts, a set of weights, a screw guage and a meter scale. Hence find the mass per unit length, m for the wire. Physics lab manual ncert solutions class 12 physics sample papers. We did an experiment of measuring ac mains frequency using sonometer. Sonometer with nonmagnetic wire brass wire stretched over it, stepdown transformer of 68 volts, horse shoe magnet, meter scale, screw gauge and 250gm weights. Sonometer with nonmagnetic wire nichrome, ammeter, step down transformer 210 volts, key, horse shoe magnet, wooden stand for mounting the magnet, set of 50 gm masses. How to measure the ac source frequency using sonometer and. When the frequency of the applied force is adequate the. A sonometer demonstrates the relationship between the frequency of the sound produced by a plucked. What is the particular type of processor model and operating system on which a computer is based called. When two identical waves of same frequency, amplitude travelling in a medium with same speed but in opposite directions superpose, they produce stationary waves. To study the relation between length of a given wire and tension for constant frequency using sonometer. Link of pdf of practical file of this experiment link of pdf of practical file of g by bar pendulum experiment. Sonometer find the frequency of alternating current, gseb.
An investigation of the relationship betwen the length of a wire, its tension and its fundamental frequency using a sonometer. Ap physics experiment law of strings purpose to determine the relationship between frequency, tension, and string length. List of experiments conducted in physics lab during inspire camp held during 29 th. Place the sonometer near the end of the laboratory table so that the weight hanger attached to the wire hangs freely. Determine the frequency of ac main using sonometer answers. The sonometer resonance modes of a stretched string experimental objectives. There is an experiment missing probably updated portion to find the frequency of the ac mains using sonometer. Experiment 7 to find the frequency of the ac mains with a sonometer. Sonometer equipment capstone, sonometer with detector coil but not driver coil, voltage sensor, bnc to double banana plug adapter, set of hook masses, and 2 set of wires caution in this experiment a substantial mass, supported by a wire, hangs over the oor. To find the frequency of the ac mains with a sonometer learn.
The equipment allows the length of the string and its tension to be varied. A fairly quiet laboratory is needed for this experiment and the students need to be able to match the sound of the sonometer to that of the tuning fork quite accurately. To determine resistance per cm of a given wire by plotting a graph for potential difference versus current ohms law. Dependence of the fundamental frequency on tension use the above equations to derive a relationship between the frequency of the fundamental mode n1 and l, and t.
To find the frequency of the ac mains with a sonometer. Apparatus a sonometer with soft iron wire, a set of eight tuning forks. Aim to find the frequency of the ac mains with a sonometer. It is used to verify the laws of vibration of stretched string and also to determine the frequency of a tuning fork. In this video you will get complete information about sonometer calculation of frequency of a. Sonometer investigation science practical expiriment. Frequency of ac mains using sonometer experiment by non.
My question is that resonance was there in vibration or not. When the rate of movement due to the current matches the fundamental frequency of the wire, resonance occurs causing noticeable vibration. To determine the frequency of alternating current using a. Measure and record the mass m in kg of the sonometer wire. Homework statement there is this experiment regarding the frequency of ac mains using a sonometer and i found a slight confusion with the formula. Last revised on september 21, 2016 experiment 11 velocity of waves 5. Sonometer harvard natural sciences lecture demonstrations.
Apparatus requireda sonometer, the given tuning fork a. On the wooden rectangular box there are two bridges and a pulley at one end. To determine the frequency of ac mains with the help of sonometer. Using a wire length of approximately 30cm measure the vibrational frequency of the wire for a range of tensions. Frequency of ac mains using sonometer experiment pdf an a. Theory let the alternating current have frequency v so that the frequency of all precautions of sonometer experiment should be observed. Experiment aim to determine the frequency of alternating current using a sonometer and an electromagnet. Untie the wire of the sonometer from its peg and find its mass in a physical balance. Frequency of ac mains using sonometer experiment by non magnetic wire ask for details. When the tension and length of the vibrating column is kept constant, the frequency of vibration of a stretched string is inversely proportional to square root of its linear density. In this project, i explain how to measure the ac mains frequency using sonometer and electromagnet in the lab. On the wooden rectangular box there are two bridges and a. By knowing the linear density, m, of the wire, the frequency of a.
To study the relation between the length of a given wire. The linear density of the wire, m, can be calculated using the relation, m. To determine the frequency of ac by sonometer wire part 2. To find out the frequency of ac mains using a sonometer. Physics laboratory manual birla institute of technology. C sonometer is an apparatus by which the transverse vibrations of strings can be studied. A sonometer is a device for demonstrating the relationship between the frequency of the sound produced by a plucked string, and the tension, length and mass per unit length of the string. A sonometer with a soft iron wire stretched over it, an electromagnet. A sonometer is used to determine the frequency of alternating current. Again, using an oscilloscope and microphone the frequency produced can be checked a lot more accurately. These relationships are usually called mersennes laws after marin mersenne 15881648, who investigated and codified them. The sonometer is a device that enables you to determine the relationship between the tension or force pulling on a vibrating string and the frequency it produces and the length of a. Experiment sonometer ap ap physics experiment law of.
To study the relation between the length of a given wire and tension for constant frequency using sonometer physics lab manualncert solutions class 11 physics sample papers aim to study the relation between the length of a given wire and tension for constant frequency using sonometer. Apparatus a sonometer, a set of eight tuning forks. You do so, by measuring the period, t, of the wave in the string using the detector coil. A sonometer is an apparatus used to study the transverse vibrations of stretched strings. Click on physics practical pdf u will get the whole file. If the wire should break the mass will fall to the oor. Physics laboratory manual department of physics, bit mesra page 1 experimets no. Students may be able to reproduce the frequency generated by the fork on the sonometer simply by listening to the audible note produced and comparing the two, adjusting the masses or bridge until the correct note is produced. Apparatus and material required a sonometer with a soft iron wire stretched over it, an electromagnet, a stepdown transformer, slotted 12 kg weights hanger, a physical balance, two sharp edge wedges and a weight box. To find the frequency of the ac mains with sonometer experiment readings ask for details. This video deals about the frequency determination of ac mains using sonometer hindi physics practicals section a. To study the relation between frequency and length of a given wire under constant tension using sonometer. Sonometer with brass wire, a horse shoe magnet, a step down transformer, hanger with weight and a screw gauge, connecting wire etc.
Stretch the heavier of the two wires on the sonometer with a load of approximately 1kg if available. It is in the form of a hollow wooden rectangular box. We adjusted the length of the string so that the amplitude is maximum. Varun shrma designed this lab manual for basic electrical engineering. Sonometer can determine the frequency of ac mains in an easy way with very precise and fine arrangement. Measure the frequency of the standing wave using the oscilloscope. Basically a sonometer is a device based on the principle of resonance. In the experiment an electromagnet was vibrating the string. Sonometer with nonmagnetic wire brass wire stretched over it, stepdown transformer of 68 volts, horse shoe magnet, meter. In this experiment a small current, produced by a signal generator, causes the sonometer wire to move up and down due to interaction with the magnetic field of a ushaped magnet.