Assertion (A): From the slope of the line in Figure, we can find permanent dipole moment of the molecules.

1. An array has a fixed predetermined number of components.
2. Any component of an array can be accessed using an index.
3. An array variable name refers to a group of quantities by a single name.
4. When array variables are used an appropriate declaration is required.

Assertion (A): Hall effect is observed in all metals but is very appreciable in semiconductors.

Reason (R): Hall effect transducer is very suitable for measurement of magnetic flux density.

Assertion (A): Interfacing means synchronisation of digital information transmission between input output devices and computer.

Reason (R): A computer with higher bit word size executes programs at a faster rate.

1. It can have alphabets, digits or underscores but no other special character.
2. The maximum number of characters is 8.
3. The first character may be an alphabet or digit but not underscore.

Assertion (A): A branch with no current through it can be replaced by an open circuit or short circuit.

Reason (R): Reciprocity theorem is applicable only if the circuit has one source.