Masses of three pieces of wires made of the same metal are in the ratio 1 : 3 : 5 and their lengths are in the ratio 5 : 3 : 1.

Question

Masses of three pieces of wires made of the same metal are in the ratio 1 : 3 : 5 and their lengths are in the ratio 5 : 3 : 1.

Masses of three pieces of wires made of the same metal are in the ratio 1 : 3 : 5 and their lengths are in the ratio 5 : 3 : 1. The ratios of their resistances are

(A) 1 : 3 : 5

(B) 5 : 3 : 1

(C) 1 : 15 : 125

(D) 125 : 15 : 1

Monjur Alahi

5 views

2025-01-04 04:42

1 Answers

Related Questions

A 10 wire potentiometer has first five wires of cross sectional radius `r` and next five wires of radius `2r`. The wires are uniform and made of same

2 Answers 4 Views

Two coplanar concentric circular wires made of same material have radius `R_(1)` and `R_(2) (= 2R_(1))`. The wires carry current due to identical sour

2 Answers 6 Views

Two infinitely long parallel wires carry equal current in same direction. The magnetic field at a mid point in between the two wires is

2 Answers 5 Views

Three wires whose lengths are in the ratio `3:8:18` and radii in the ratio `1:2:3` are connected in parallel. Find the ratio of the currents through t

2 Answers 5 Views

Two thin similar watch glass pieces are joined together,front to front ,with near convex portion silvered and the combination of glass pieces is place

2 Answers 4 Views

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

2 Answers 7 Views

Two wires of different materials have resistances in the ratio `4 : 3`, lengths in the ratio `2 : 1` but have same radii of cross-section. Compare the

2 Answers 4 Views

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

2 Answers 4 Views

Two pieces of wire A and B of the same material have their lengths in the ratio 1:2, and their diameters are in the ratio 2:1.

2 Answers 7 Views

A large magnet is broken into two pieces so that their lengths are in the ratio 2:1. The pole strengths of the two pieces will have the ratio

2 Answers 5 Views

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

Salim Ahmed Kawsar

Correct answer is (D) 125 : 15 : 1

5 views Answered 2023-02-05 15:29