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resistance is directly proportional to wire length and inversely proportional to wire cross-sectional area. In other words, If the wire length is doubled, the resistance is doubled too. If the wire diameter is doubled, the resistance will reduce to 1/4 of the original resistance.
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the resistance can never increase or decrease....... (you can't open the resistor and take out the something and make the resistance increase or decrease) Since resist…ance is directly proportional to the length of a conductor, increasing the length of a wire will increase its resistance. For example, if you double its length, you will double its resistance.
the current decreases
ERMM THE RESISTANCE INCREASES ) when longer
The area of crossection decreases.If the wire is not ductile, the wire breaks.As resistance is directly proportional to length, the resistance of the wire increases.
The resistance is indirectly proportional to the cross sectional area (thickness) so if the CSA doubles the resistance halves e.t.c In a nutshell as it gets thicker the resi…stance decreases.with regards to the formula :R=PL/A. R=resistance, P=resistivity, L=length, A=area.
Suppose a wire of resistance R could be stretched uniformly until it was twice its original length. What would happen to its resistance?
Current tends to travel on the surface of the wire. As you decrease the cross-sectional area of a wire the resistance increases. That is why larger wires are rated for higher …currents.
increase in resistance.
capacitance also increase
When the length of the wire increases voltage drop across the wire will occur. There are two factors that can result in voltage drop. One diameter of the wire, two length of …the wire. Voltage drop increases with increase in length of wire, whereas voltage drop decreases with increase in diameter (cross section area) of the wire. G.RAO Answer If you are asking what happens to the voltage across a length of wire when its length increases, the answer is nothing happens! The voltage applied to the wire is determined by the supply, not by the load (i.e. the wire).
-- A piece of wire behaves like a resistor. Granted, its resistance is very small, but it has some. -- Another piece of wire behaves like another resistor. Granted, its r…esistance is also very small, but it has some. -- When you twist one end of each piece of wire together, you get a longer wire. Also, electrically, you have connected two resistors in series. As you know, the total resistance of resistors connected in series is the sum of the individual resistances, and is greater than either single resistance alone.
In what sense.
frequecy will not change
Actually resistance is directly proportional to the length provided area remains constant. But as we stretch the wire only its volume would remain constant. So its area is to …be decreased as length increases. V = pi r^2 * L Now we have R = K * L / pi r^2 Multiplying numerator and denominator by L we get R = K/V * L^2 So resistance is found to be proportional to square of length Hence as length gets increased by 2 times, its resistance value would increase by 4 times.
What happens to the resistance of the wire when its length is increased to twice its original length?
Doubling the length of a wire doubles the resistance value of the wire. It is equivalent to placing resistors in series where the total resistance value is the sum of all …the resistors.