Q26. Two wires $A$ and $B$ are made up of the same material and have the same mass. Wire $A$ has radius of 2.0 mm and wire $B$ has radius of 4.0 mm . The resistance of wire $B$ is $2 \Omega$. The resistance of wire $A$ is $\_\_\_\_$ $\Omega$.
Q26. Two wires $A$ and $B$ are made up of the same material and have the same mass. Wire $A$ has radius of 2.0 mm and wire $B$ has radius of 4.0 mm . The resistance of wire $B$ is $2 \Omega$. The resistance of wire $A$ is $\_\_\_\_$ $\Omega$.