A cylindrical conductor of length l and uniform area of crosssection A has resistance R.

Question

A cylindrical conductor of length l and uniform area of crosssection A has resistance R.

A cylindrical conductor of length l and uniform area of crosssection A has resistance R. Another conductor of length 2l and resistance R of the same material has area of cross section
(a) A/2
(b) 3A/2
(c) 2A
(d) 3A

Monjur Alahi

4 views

2025-01-04 04:42

1 Answers

Related Questions

A copper rod of diameter 1 cm and length 8 cm is drawn into a wire of length 18 m of uniform thickness. Find the thickness of the wire.

1 Answers 6 Views

In a hot water heating system. there is a cylindrical pipe of length 28 m and diameter 5 cm. Find the total radiating surface in the system.

1 Answers 4 Views

Find (i) the lateral or curved surface area of a closed cylindrical petrol storage tank that is 4.2 m in diameter and 4.5 m high.

1 Answers 4 Views

The inner diameter of a cylindrical wooden pipe is 24 cm and its outer diameter is 28 cm. The length of the pipe is 35 cm.

1 Answers 4 Views

In terms of band theory, what is the difference between a conductor, an insulator and a semi-conductor ?

1 Answers 4 Views

What happens to the force experienced by a current carrying conductor placed in uniform

1 Answers 9 Views

A large cylindrical tank has a hole of area A at its bottom. Water is poured in the tank by a tube of equal,

1 Answers 4 Views

Two wires A and B are made of same material. The wire A has a length l and diameter r while the wire B has a length 2l and diameter r/2.

1 Answers 5 Views

By increasing the temperature, the specific resistance of a conductor and a semiconductor.

1 Answers 4 Views

Gaseous HCl is a poor conductor of electricity while its aqueous solution is a good conductor this is because

1 Answers 6 Views

Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Salim Ahmed Kawsar

(c) 2A is the area of cross section

4 views Answered 2023-02-05 15:29