Two uniform wires \[A\] and \[B\] are of the same metal and have equal masses. The radius of wire \[A\] is twice that of wire \[B\]. The total resistance of A and \[B\] when connected in parallel is [MNR 1994]

\[5\,\Omega \] when the resistance of wire \[A\] is \[4.25\,\Omega \]

\[4\,\Omega \] when the resistance of wire \[A\] is \[4.25\,\Omega \]

\[4\,\Omega \] when the resistance of wire \[B\] is \[4.25\,\Omega \]

Two uniform wires \[A\] and \[B\] are of the same metal and have equal

1.	Two uniform wires \[A\] and \[B\] are of the same metal and have equal masses. The radius of wire \[A\] is twice that of wire \[B\]. The total resistance of A and \[B\] when connected in parallel is [MNR 1994]
A.	\[4\,\Omega \] when the resistance of wire \[A\] is \[4.25\,\Omega \]
B.	\[5\,\Omega \] when the resistance of wire \[A\] is \[4.25\,\Omega \]
C.	\[4\,\Omega \] when the resistance of wire \[B\] is \[4.25\,\Omega \]
D.	\[4\,\Omega \] when the resistance of wire \[B\] is \[4.25\,\Omega \]
Answer» B. \[5\,\Omega \] when the resistance of wire \[A\] is \[4.25\,\Omega \]