Which wire has more resistance ?

1 Answer

Answer :

The longer the wire, the greater the resistance of the wire.

Related questions

Description : Assertion : Two resistance wires shown in figure are of same material. They have equal length. More heat is generated in wire A. Reason : In series `H

Last Answer : Assertion : Two resistance wires shown in figure are of same material. They have equal length. More ... . If Assertion is false but Reason is true.

Description : Which of the following statements about copper wire sized by the AWG rating is correct? A. Number 12 AWG wire has a higher current rating than number 10 AWG wire. B. Number 10 AWG wire has a higher ... Number 12 AWG wire at 25°C has more resistance per 1000 feet than No. 10 AWG wire at 25°C.

Last Answer : Answer: D

Description : Which of the following statements concerning copper wire sized by AWG numbers is correct? A. Number 12 AWG wire has a higher current rating than 10 AWG wire. B. Number 12 AWG wire at 25°C has more ... dielectric strength than 12 AWG wire. D. Number 12 AWG wire is larger than number 10 AWG wire.

Last Answer : Answer: B

Description : How do I work out the area or length of a wire when I only know the resistance/conductance and the length/area?

Last Answer : if cunductance = conductivity x area/length then length = conductivity / conductance x Area i think, if the equation is transposed correctly, it’s been a while since school maths. better check that one though.

Description : On what does the resistance of conductive wire depend ?

Last Answer : Depending on the area of the cross section

Description : A copper wire has a resistance of \( 0.60 hm \). Anozner copper wire of the samemass as the first one is dou ble in length of the first. Find the resistance of the second wire.

Last Answer : A copper wire has a resistance of \( 0.6 0hm \). Another copper wire of the same mass as ... of the first. Find the resistance of the second wire.

Description : The resistance of a silver wire at `0^(@)C " is " 1.25 Omega`. Upto what temperature it must be heated so that its resistance is doubled ? The tempera

Last Answer : The resistance of a silver wire at `0^(@)C " is " 1.25 Omega`. Upto what temperature ... temperature be same for all silver conductors of all shapes ?

Description : The temperature coefficent of resistance of a wire is 0.00125 per `.^(@)C`, At 300 K, its resistance is `1Omega`. At what temperature will its resista

Last Answer : The temperature coefficent of resistance of a wire is 0.00125 per `.^(@)C`, At 300 K, ... At what temperature will its resistance become `2 Omega` ?

Description : A plantinum wire has resistance of `10 Omega` at `0^(@)C` and `20 Omega` at `273^(@)C`. Find the value of coefficient of resistance.

Last Answer : A plantinum wire has resistance of `10 Omega` at `0^(@)C` and `20 Omega` at `273^(@)C`. Find the value of coefficient of resistance.

Description : A wire whose resistance is 90 ohm is cut into 3 pieces of equal lengths which are then arranged in parallel. Calculate the resistance of the combinati

Last Answer : A wire whose resistance is 90 ohm is cut into 3 pieces of equal lengths which are then ... in parallel. Calculate the resistance of the combination.

Description : A uniform wire which connected in parallel with the 2 m long wire, will give a resistance of `2.0 Omega`.

Last Answer : A uniform wire which connected in parallel with the 2 m long wire, will give a resistance of `2.0 Omega`.

Description : The temperature coefficient of copper is `0.004^(@)C^(-1)`. Find the resistance of a 5 m long copper wire of diameter 0.2 mm at `100^(@)C`, if the res

Last Answer : The temperature coefficient of copper is `0.004^(@)C^(-1)`. Find the resistance of a 5 m long copper wire of ... `0^(@)C` is `1.7xx10^(-8) Omega` m.

Description : The temperature coefficient of a resistance wire is `0.00 12.5^(@)C^(-1)`. At 300 K, its resistance is `1 Omega`. At what temperature the resistance o

Last Answer : The temperature coefficient of a resistance wire is `0.00 12.5^(@)C^(-1)`. At 300 K, its ... the resistance of the wire will be `2 Omega` ?

Description : A uniform wire is cut into four segments. Each segment is twice as long as the earlier segment. If the shortest segment has a resistance of `4 Omega`,

Last Answer : A uniform wire is cut into four segments. Each segment is twice as long as the earlier segment. ... Omega`, find the resistance of the original wire.

Description : Two wires A and B of the same material have their lengths in the ratio `1 : 5` and diameters in the ratio ` 3 : 2`. If the resistance of the wire B is

Last Answer : Two wires A and B of the same material have their lengths in the ratio `1 : 5` and diameters in ... `180 Omega`, find the resistance of the wire A.

Description : A wire of resistance `48 Omega` is uniformly stretched until its new length becomes 4 times the original length. Find its new resistance.

Last Answer : A wire of resistance `48 Omega` is uniformly stretched until its new length becomes 4 times the original length. Find its new resistance.

Description : Given that resistivity of copper is `1.68xx10^(-8) Omega`m. Calculate the amount of copper required to draw a wire 10 km long having resistance of `10

Last Answer : Given that resistivity of copper is `1.68xx10^(-8) Omega`m. Calculate the amount of copper required to draw a ... copper is `8.9xx10^(3) kg m^(-3)`.

Description : What length of a wire of diameter 0.46 mm and specific resistance `50xx10^(-6) Omega`m would be required to make a coil of resistance `10 Omega` ?

Last Answer : What length of a wire of diameter 0.46 mm and specific resistance `50xx10^(-6) Omega`m would be required to make a coil of resistance `10 Omega` ?

Description : Calculate the conductivity of a wire of length 2 m, area of cross-sectionl `2 cm^(2)` and resistance `10^(-4) Omega`.

Last Answer : Calculate the conductivity of a wire of length 2 m, area of cross-sectionl `2 cm^(2)` and resistance `10^(-4) Omega`.

Description : `1kg` piece of copper is drawn into a wire `1mm` thick and another piece into a wire `2mm` thick. Compare the resistance of these wires.

Last Answer : `1kg` piece of copper is drawn into a wire `1mm` thick and another piece into a wire `2mm` thick. Compare the resistance of these wires.

Description : Two copper wires A and B of equal masses are taken. The length of A is double the length of B. If the resistance of wire A is `160 Omega `, then calcu

Last Answer : Two copper wires A and B of equal masses are taken. The length of A is double the length of ... Omega `, then calculate the resistance of the wire B.

Description : A cylindrical wire is stretched to increase its length by 10%. Calculate the percentage increase in resistance.

Last Answer : A cylindrical wire is stretched to increase its length by 10%. Calculate the percentage increase in resistance.

Description : A wire of resistance `10 Omega` is drawn out so that its length is thrice its original length. Calculate its new resistance (resistivity and density o

Last Answer : A wire of resistance `10 Omega` is drawn out so that its length is thrice its original ... (resistivity and density of the material remain uncharged).

Description : What will be the change in resistance of a constantan wire when its radius is made half and length reduced to one-fourth of its original length ?

Last Answer : What will be the change in resistance of a constantan wire when its radius is made half and length reduced to one-fourth of its original length ?

Description : Calculate the resistance of a 2 m long nichrome wire of radius 0.321 mm. Resistivity of nichrome is `15xx10^(-6) Omega` m. If a potential difference o

Last Answer : Calculate the resistance of a 2 m long nichrome wire of radius 0.321 mm. Resistivity of nichrome is ` ... wire, what will be the current in the wire ?

Description : A negligbly small current is passed through a wire of length 15 cm and uniform cross-section `6.0xx10^(-7) m^(2)` and its resistance is measured to be

Last Answer : A negligbly small current is passed through a wire of length 15 cm and uniform cross-section ` ... the material at the temperature of the experiment ?

Description : A metal wire of specific resistance `64xx10^(-6) Omega` m and length 1.98 cm has a resistance of `7 Omega`. Find its radius.

Last Answer : A metal wire of specific resistance `64xx10^(-6) Omega` m and length 1.98 cm has a resistance of `7 Omega`. Find its radius.

Description : The resistance of a conductivity wire of length 1.1 m and of diameter 0.14 mm is `30 Omega`. Calculate its resistivity.

Last Answer : The resistance of a conductivity wire of length 1.1 m and of diameter 0.14 mm is `30 Omega`. Calculate its resistivity.

Description : A wire has a resistance of 12 ohm . It is bent in the form of equilateral triangle. The effective resistance between any two corners of the triangle i

Last Answer : A wire has a resistance of 12 ohm . It is bent in the form of equilateral triangle. The effective resistance ... )/(3)Omega` C. `9Omega` D. `12Omega`

Description : A wire of resistance `4 Omega` is stretched to twice its original length. The resistance of stretched wire would be

Last Answer : A wire of resistance `4 Omega` is stretched to twice its original length. The resistance of stretched wire would ... Omega` C. `8 Omega` D. `16 Omega`

Description : When a current of `(2.5 +- 0.5)` ampere flows through a wire, it develops a potential difference of `(20 +- 1)` volt, the resistance of the wire is

Last Answer : When a current of `(2.5 +- 0.5)` ampere flows through a wire, it develops a potential difference of `(20 +- ... `(8 pm 1.5)Omega` D. `(8 pm 3)Omega`

Description : If a wire is stretched to four times its length, then the specific resistance of the wire will

Last Answer : If a wire is stretched to four times its length, then the specific resistance of the wire will A. ... times C. become 16 times D. remain the same

Description : A potentiometer wire of length 10 m and resistance `10 Omega` per meter is connected in serice with a resistance box and a 2 volt battery. If a potent

Last Answer : A potentiometer wire of length 10 m and resistance `10 Omega` per meter is connected in serice with a ... Omega` C. `190 Omega` D. `90 Omega`

Description : The temperature coefficient of resistance of the material of a wire is `0.00125^(@)C^(-1)`. Its resistance at `27^(@)C` is `1 Omega`. At what temperat

Last Answer : The temperature coefficient of resistance of the material of a wire is `0.00125^(@)C^(-1)`. Its resistance at ... K B. 1100 K C. 1400 K D. 1127 K

Description : A 1m long wire of diameter `0.31mm` has a resistance of `4.2 Omega`. If it is replaced by another wire of same material of length `1.5m` and diameter

Last Answer : A 1m long wire of diameter `0.31mm` has a resistance of `4.2 Omega`. If it is replaced by another wire of ... 6 Omega` C. `26.7 Omega` D. `0.8 Omega`

Description : A uniform wire of resistance `9 Omega` is joined end-to-end to from a circule. Then, the resistance of the circular wire between any two diametrically

Last Answer : A uniform wire of resistance `9 Omega` is joined end-to-end to from a circule. Then, the resistance of the ... (9)/(4)Omega` D. `(3)/(2)Omega`

Description : A wire of resistance `4 Omega` is stretched to twice its original length. In the process of stretching, its area of cross-section gets halved. Now, th

Last Answer : A wire of resistance `4 Omega` is stretched to twice its original length. In the process of stretching, its area ... Omega` C. `1 Omega` D. `4 Omega`

Description : A potentiometer wire of length `100 cm` having a resistance of `10 Omega` is connected in series with a resistance `R` and a cell of emf `2V` of negli

Last Answer : A potentiometer wire of length `100 cm` having a resistance of `10 Omega` is connected in series with a ... Omega` C. `790 Omega` D. `840 Omega`

Description : A metal wire of circular cross-section has a resistance `R_(1)`. The wire is now stretched without breaking, so that its length is doubled and the den

Last Answer : A metal wire of circular cross-section has a resistance `R_(1)`. The wire is now stretched without breaking, so that its ... 2` C. `4 : 1` D. `1 : 4`

Description : A potentiometer wire has length `4 m` and resistance `8 Omega`. The resistance that must be connected in series with the wire and an accumulator of e.

Last Answer : A potentiometer wire has length `4 m` and resistance `8 Omega`. The resistance that must be connected in ... Omega` C. `44 Omega` D. `48 Omega`

Description : Assertion : A resistance wire is broken into four pices and all are connected in parallel. Then, net resistance becomes 1/16 times. Reason : In parall

Last Answer : Assertion : A resistance wire is broken into four pices and all are connected in parallel. Then, net ... D. If Assertion is false but Reason is true.

Description : Assertion : If a current is flowing through a conducting wire of non-uniform cross-section, drift speed and resistance both will increase at a section

Last Answer : Assertion : If a current is flowing through a conducting wire of non-uniform cross-section, drift ... . If Assertion is false but Reason is true.

Description : In given figure, the potentiometer wire AB has a resistance of `5 Omega` and length 10 m . The balancing length AM for the emf of 0.4 V is

Last Answer : In given figure, the potentiometer wire AB has a resistance of `5 Omega` and length 10 m . The balancing length AM for ... B. 4 m C. `0.8` m D. 8 m

Description : A wire of length 100 cm is connected to a cell of emf 2 V and negligible internal resistance. The resistance of the wire is `3 Omega`. The additional

Last Answer : A wire of length 100 cm is connected to a cell of emf 2 V and negligible internal resistance. The ... B. `47Omega` C. `57Omega` D. `35Omega`

Description : Two wire of the same meta have same length, but their cross-sections are in the rati `3:1` . They are joined in series. The resistance of thicker wire

Last Answer : Two wire of the same meta have same length, but their cross-sections are in the rati `3:1` . They are ... )Omega` C. `(5)/(2)Omega` D. `100Omega`

Description : AB is a potentiometer wire of length 100 cm and its resistance is `10Omega`. It is connected in series with a resistance R = 40 `Omega` and a battery

Last Answer : AB is a potentiometer wire of length 100 cm and its resistance is `10Omega`. It is connected in series with a ... `1.6V` C. `0.08V` D. `0.16V`

Description : Two resistance wires on joining in parallel the resultant resistance is ohms `(6)/(5)` ohms. One of the wire breaks, the effective resistance is 2 ohm

Last Answer : Two resistance wires on joining in parallel the resultant resistance is ohms `(6)/(5)` ohms. One of the wire ... ` C. `(6)/(5)Omega` D. `3Omega`

Description : A 2 V battery, a `990Omega` resistor and a potentiometer of 2 m length, all are connected in series of the resistance of potentiometer wire is `10Omeg

Last Answer : A 2 V battery, a `990Omega` resistor and a potentiometer of 2 m length, all are connected in series of the resistance ... 0.01Vm^(-1)` D. `0.1Vm^(-1)`

Description : A piece of wire of resistance 4 ohm s is bent through `180^(@)` at its mid point and the two halves are twisted together, then the resistance is

Last Answer : A piece of wire of resistance 4 ohm s is bent through `180^(@)` at its mid point and the two halves ... `8Omega` B. `1Omega` C. `2Omega` D. `5Omega`

Description : The resistance of a wire is `10 Omega`. Its length is increased by `10%` by stretching. The new resistance will now be

Last Answer : The resistance of a wire is `10 Omega`. Its length is increased by `10%` by stretching. The new resistance ... B. `1.2Omega` C. `13Omega` D. `11Omega`