What are the equipments required in a physics lab?

Science, in particular, physics is all about understanding the fundamentals of matter. It involves amazing experiments to establish and verify the laws. For this, different sets of high-quality equipment are required. The instruments should be error-free and easy to calibrate to yield accurate results. There are multiple numbers of equipment which is used in a physics lab. Some pieces of equipment that are of due importance in a physics labare as follows: vernier callipers, resistor, rheostat, magnetic compass, lenses, stands, prisms, ammeter, bifilar suspension and many more.

Some of them are discussed below with the name of the equipment and their uses:


Rheostat

It is a malleable resistor that is used for controlling current. It controls the electrical resistance of a circuit without blocking. For eg- the speed of motors, heaters and ovens.


Wave Motion Model


This apparatus helps to observe the motion of transverse waves.



Bifilar suspension
This is a torsional pendulum used to measure the mass moment of inertia of an object.



Voltmeter
It is an instrument that is used in measuring the electrical potential difference between the two points of an electric circuit that is connected in parallel. It usually has high resistance so that it takes insignificant current from the circuit.


Ammeter
It is an instrument that is used to measure the current, it is used for either direct or alternating current in a circuit. The electric circuits are measured in amperes (A). This instrument can measure a vast range of current values because at high values only a small portion of the current is directed through the meter mechanism.



Galvanometer

It is the device that is used for detecting and measuring the presence of even very small electrical currents and voltage deflections. It is mostly used in bridges and potentiometers where it can indicate the void deflection or zero current.



Spring Balance

It is a meter type that consists of at one end with a hook to attach at other. It measures the weight of an object by opposing the force of gravity acting with the force of an expanding spring.

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