What will happen to resistance if length is doubled?

Hence, if the length of a wire is doubled, then its resistance becomes doubled.

What will be the percentage change in the resistance if the length and diameter of a wire Both are doubled?

Complete step-by-step answer: (d) Resistivity of wire remains constant. As the length of wire gets doubled, the cross-sectional area will become half of its previous value because volume of wire remains constant. Hence, we can see that the new resistance is four times the previous resistance.

What is the resistance of an iron wire if its length is doubled and area of cross section is halved?

Hence Resistance will become 4 times in the new condition, if the area is doubled and length is halved.

What happens to the resistance when the length is doubled and the area is quadrupled *?

If you double both length and cross-sectional area of a wire, you will (double / triple / quadruple) the resistance of the wire. To cut the resistance of a wire in half, you may (cut the resistivity in half / double the length / quadruple the area). 3.

When the length of the wire is doubled its resistance also gets doubled reason the resistance of a wire is directly proportional to its length?

Therefore, when the length of the wire is doubled, resistance of the object is also doubled. Therefore, option (D) is the correct answer. Therefore, resistance is directly proportional to length of object and inversely proportional to cross-sectional area.

How does resistance change with length and diameter?

The area is proportional to the square of the diameter. Therefore, the resistance is inversely proportional to the square of the diameter of the conductor. If ratio of resistance of the conductor of the same length and diameter ratio is 1:2 will have resistance ratio 4:1.

What will be the resistivity of a metal wire of 2m length and 0.6 mm in diameter if the resistance of the wire is 50 ohm?

Resistivity of the wire is 7.065 × 10^-8 Ω m. Hope it helps…!!!

What happens to resistance if length is halved?

So it’s proportional to the square of the diameter. Resistance is inversely proportional to the cross-sectional area. So if the diameter is halved the cross-sectional area is quartered and the resistance is quadrupled.

What happens to the resistance of the of the wire when its length is?

The resistance of a wire is inversely proportional to its area and directly proportional to its length. When the length is tripled then resistance will also become three times.

What happens to the resistance of a wire if its length is increased?

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.