Asked By: Zachary Butler Date: created: Feb 09 2022

Do longer wires have more resistance

Answered By: Jeremiah Stewart Date: created: Feb 11 2022

The resistance of a long wire is greater than the resistance of a short wire because electrons collide with more ions as they pass through.

The resistance of a thin wire is greater than the resistance of a thick wire because a thin wire has fewer electrons to carry the current..

Asked By: Isaiah Adams Date: created: Sep 30 2021

What happens to resistance if length is halved

Answered By: Stanley Ward Date: created: Oct 01 2021

As a wire gets longer its resistance increases, and as it gets thinner its resistance also increases because its cross sectional area decreases. Doubling the length will double the resistance, but the wire also must get thinner as it is stretched, because it will contain the same amount of metal in twice the length.

Asked By: Walter Baker Date: created: Jul 14 2022

Does diameter affect resistance

Answered By: Aidan Campbell Date: created: Jul 14 2022

Resistance is inversly proportional to the diameter of the of cross section section of a conductor . Because when diameter will large then the area of cross section will large and electrons can move more freely hence the resistance wiil reduce .

Asked By: Jordan Griffin Date: created: Feb 19 2022

How is the resistance of wire affected if its length is doubled radius is doubled

Answered By: Neil Lopez Date: created: Feb 20 2022

When the radius of the wire is doubled it means the area of cross-section is increased by four times. Hence, the resistance of a wire is reduced to one-fourth if its radius is doubled.

Asked By: Dennis Butler Date: created: Oct 16 2022

How resistance is directly proportional to length

Answered By: Dennis Clark Date: created: Oct 16 2022

Directly proportional ; as the length of the wire increases , its resistance increases. Why? Simply speaking,the longer the distance the electron has to travel ,the more collisions it will face with the atoms ; which means higher resistance.

Asked By: Jayden Jackson Date: created: Aug 12 2022

How do you calculate resistance change

Answered By: Hugh Scott Date: created: Aug 12 2022

Here, change in length is very small, so by using formula, dRR×100 = 2(dll×100), the percentage change in Resistance will be 2×1 = 2%.

Asked By: Noah Wilson Date: created: Nov 24 2021

What is the resistance of a 1000w heater marked for 230v

Answered By: Douglas Hall Date: created: Nov 27 2021

The resistance of the heater is 52.9 Ohms.

Asked By: Justin Sanders Date: created: May 23 2022

What happens to the resistance of a conductor when the temperature is increased

Answered By: Andrew Thomas Date: created: May 26 2022

With increasing temperature, the resistance of the wire increases as collisions within the wire increase and “slow” the flow of current. … Since conductors typically display an increased resistivity with temperature increase, they have a positive temperature coefficient.

Asked By: Steven Lopez Date: created: Mar 17 2022

How does the resistance vary if the length of a conductor is doubled

Answered By: Gregory Diaz Date: created: Mar 17 2022

If the length is double then the resistance would increase by 8 times. Since R=P*L/A (Resistivity constant) length becomes 2L and area becomes 1/4th. So, almost the new resistance increase by 4 times.

Asked By: Alex King Date: created: Aug 12 2021

Is resistance directly proportional to temperature

Answered By: Jacob Parker Date: created: Aug 12 2021

Resistance of a conductor is directly proportional to temperature. … With the increase in temperature, vibrational motion of the atoms of conductor increases. Due to increase in vibration, probability of collision between atoms and electrons increases.

Asked By: Hayden Wood Date: created: Oct 21 2021

Does a thicker wire have more resistance

Answered By: Alejandro Wilson Date: created: Oct 23 2021

There is a higher current in the thicker wire (although per unit area, of course, each wire carries the same current). … A higher current for a given voltage means a lower resistance. The thicker wire in (4) has a lower resistance than the thinner wire in (3). The resistance of a wire decreases with increasing thickness.

Asked By: George Bailey Date: created: Sep 10 2021

How does the resistance of wire change when its length is increased by 20%

Answered By: Elijah Bennett Date: created: Sep 12 2021

The resistance of a wire is directly proportional to its length… Resistance= (Resistivity × length) / area. If Area is increased by 20% then Resistance will decrease by 20% since Resistance is indirectly​ proportional to area.

Asked By: Gregory Davis Date: created: Feb 22 2022

What is the relation between temperature and resistance

Answered By: Evan Morgan Date: created: Feb 22 2022

As temperature rises, the number of phonons increases and with it the likelihood that the electrons and phonons will collide. Thus when temperature goes up, resistance goes up. For some materials, resistivity is a linear function of temperature. The resistivity of a conductor increases with temperature.

Asked By: Andrew Robinson Date: created: Apr 04 2022

How do you reduce resistance in a wire

Answered By: Harold King Date: created: Apr 04 2022

To reduce resistance increase its cross section, make it shorter and reduce its temperature or change to a material that has a lower resistivity if you can. Some metals will become super conductors at temperatures near absolute zero.

Asked By: Gavin King Date: created: Oct 30 2021

Is resistance directly proportional to voltage

Answered By: Mason Morgan Date: created: Oct 31 2021

Ohm’s law states that the voltage or potential difference between two points is directly proportional to the current or electricity passing through the resistance, and directly proportional to the resistance of the circuit. The formula for Ohm’s law is V=IR.

Asked By: Hugh Parker Date: created: Jan 10 2022

Do amps drop over distance

Answered By: Brian Cox Date: created: Jan 12 2022

The supply does not know how far the current is going. Any drop in current is due to the increased resistance of the wire, not the inability of the power supply to push current over a longer distance.

Asked By: Nicholas Rogers Date: created: Dec 07 2021

What happens to the resistance of a conductor if its length is increased three times and diameter is halved

Answered By: Douglas Patterson Date: created: Dec 09 2021

The resistance will get 8 times to the original value of the resistance if length is doubled and diameter of conductor is halved.

Asked By: Albert Gonzales Date: created: Aug 19 2021

What will be the resistance if length is doubled

Answered By: Wyatt Bryant Date: created: Aug 22 2021

R′=ρA2L. So, R = 2R’. Hence, If the length of a wire is doubled, then its resistance becomes 2 times.

Asked By: Alex Edwards Date: created: May 28 2022

What happens to resistance when the length of a wire increases

Answered By: Simon Scott Date: created: May 28 2022

when you have longer length of wire, the current has to travel more distance, more the distance higher the number of obstacles it faces through its path. Therefore resistance increases with the length. … Therefore less amount of obstacles for the current. Therefore when area increases the resistance decreases.

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