A meter bridge is an electrical instrument whichis used to determine the resistance of a givenconductor..
Considering this, how does a Metre bridge work?
The metre bridge, also known as the slide wirebridge consists of a one metre long wire of uniformcross sectional area, fixed on a wooden block. A scale isattached to the block. As the jockey slides over the wire AC, itshows zero deflection at the balancing point (nullpoint).
Secondly, why meter bridge is called so? A meter bridge works on the principle ofWheatstone's network and is known as Wheatstone'smeterbridge. The length of the wire used is onemeter, so it is calledmeterbridge.
Similarly one may ask, which wire is used in meter bridge and why?
The material of wire used in meter bridge is madeof manganin or eureka due to there high specific resistance orresistivity. Thick copper strips are used in meter bridgebecause copper is a good conductor of electricity.
What is meant by meter bridge?
Meter bridge is a wheatstone bridge inwhich one lateral pair of resistances is replaced by a straightwire of length 1m of uniform cross section. And other pair consistof one known and one unknown resistance.
Related Question Answers
What do you mean by Metre bridge?
Meter Bridge is an instrument that is used tofind the unknown resistance of a coil or any other material. Thisbridge works under the principle of Wheatstonebridge. We know that the Wheatstone Bridge isused to measure the unknown resistance connected in acircuit.Who invented Metre bridge?
The Concept of Wheatstone Bridge Out of the two, one of the legs is an unknown componentwhich was invented by Samuel Hunter Christie in the year1833 and later, it improved and popularized by Sir CharlesWheatstone in the year 1843.What are the limitations of Wheatstone bridge?
The Wheatstone bridge gives inaccurate readingsif it is unbalanced. The Wheatstone bridge measuresresistance from few ohms to megohms. The upper range of thebridge can be increased with the help of the applied emf,and the lower range is limited by connecting the lead at thebinding post.What is potentiometry used for?
The measuring instrument called a potentiometeris essentially a voltage divider used for measuring electricpotential (voltage); the component is an implementation of the sameprinciple, hence its name. Potentiometers are commonlyused to control electrical devices such as volume controlson audio equipment.What is sensitivity of meter bridge?
Sensitivity of metre bridge is the accuracy tomeasure the value of current. bridge is mostsensitive when all resistance are of sameorder.What is meant by EMF?
Electromotive force (emf) is a measurement of theenergy that causes current to flow through a circuit. It can alsobe defined as the potential difference in charge between twopoints in a circuit. Electromotive force is also known as voltage,and it is measured in volts.What is the output of potentiometer?
To use the potentiometer as a voltage divider,all the three pins are connected. One of the outer pins isconnected to the GND, the other to Vcc and the middle pin is thevoltage output. When the potentiometer is used as avoltage divider, the wiper position determines the outputvoltage.What are the factors on which resistivity depends?
The resistivity of a material is the resistanceof a wire of that material of unit length and unit cross-sectionalarea. The unit for resistivity is the ohm-metre. Theresistivity of a material depends on its nature andthe temperature of the conductor, but not on its shape andsize. What happens if the galvanometer and cell are interchanged at the balance point of the meter bridge?
Answer : When the galvanometer and cell areinterchanged at balance point of bridge then nocurrent would flow through galvanometer because of nodeflection. PREVIOUSDetermine the balance point of thebridge above if X and Y areinterchanged.NEXT.On which principle is meter bridge experiment based?
It is constructed on the principle based onbalanced Wheatstone bridge and is used to find theresistance of an unknown conductor or, to compare the value of tworesistances.What is slide wire bridge?
Definition of slide-wire. : aresistance-measuring device used as part of a Wheatstonebridge and consisting essentially of a straight or spiralwire divided by a sliding contact into two partsforming the whole or known portions of adjacent arms of thebridge.What do you mean by jockey in physics?
Answered Jul 25, 2018. Jockey is pen like device.In which one side is held with electrical terminal whereas one sidewith shap metal edge tool .It is used to determine the potentialdifference when voltmeter or galvanometer is connected .It isslides over the wire to find pd.Why is it considered important to obtain the balance point near the midpoint of the wire?
The balance point is obtained in themiddle of the bridge wire for the following reasons:➡When the balance point is in the middle of thebridge wire, the resistance in the four arms P, Q, R and Xbecome of the same order and consequently the bridge becomes moresensitive.What is Wheatstone meter bridge?
A Wheatstone bridge is an electrical circuit usedto measure an unknown electrical resistance by balancing two legsof a bridge circuit, one leg of which includes the unknowncomponent.How does a Wheatstone bridge work?
A Wheatstone bridge is widely used to measure theelectrical resistance. When the variable resistor is adjusted, thenthe current in the galvanometer becomes zero, the ratio of two twounknown resistors is equal to the ratio of value of unknownresistance and adjusted value of variable resistance. 
