Home
Class 12
PHYSICS
An electric current is passed through a ...

An electric current is passed through a circuit containing two wires of the same material connected in parallel. If the lengths and radii of the wire are in the ratio `(4)/(3)` and `(2)/(3)`, then the ratio of the currents passing through the wires will be

A

3

B

`1//3`

C

`8//9`

D

2

Text Solution

Verified by Experts

The correct Answer is:
B
`i_(1)/i_(2) =r_(1)^(2)/r_(2)^(2) xx l_(2)/l_(1)`
Promotional Banner

Similar Questions

Explore conceptually related problems

An electric current is passed through a circuit containing two wires of the same material connected in parallel. If the length and radii of the wires are in the ratio 2//3 and 4//3 , then find the ratio of the current passing through the wires

An electric current is passed through a circuit containing two wires of same material, connected in parallel. If the lengths and radii of the wires are in the ratio of 3:2 and 2:3, then the ratio of the current passing through the wire will be

An electric current is passed through a circuit containing two wires of the same material, connected in parallel. If the lengths and radii are in the ratio of 4/3 and 2/3, then the ratio of the current passing through the wires will be

An electric of 5A is passing through a circuit contaning three arrengement in parallel if the length and radius of the wires are in the ratio 2:3:4 and 3:4:5 then the ratio of current passing through wires should be

The electric current passes through a metallic wire produces heat because of :

When current is passed through a wire wound around an iron rod, it produces