In the given circuit,the current flowing through the circuit is: (in $A$)

If $p \rightarrow (q \vee r)$ is false,then the truth values of $p, q, r$ are respectively

When two species of different genealogy come to resemble each other as a result of adaptation,the phenomenon is termed as

$A$ conducting wire frame is placed in a magnetic field which is directed into the paper. The magnetic field is increasing at a constant rate. The directions of induced current in wires $AB$ and $CD$ are

Which of the following sets of quantum numbers belongs to the highest energy orbital?

Assertion $(A)$: Ductile metals are used to prepare thin wires.
Reason $(R)$: In the stress-strain curve of ductile metals, the length between the points representing elastic limit and breaking point is very small.