A source has a cosine power pattern that is bidirectional. Given that the directivity of a unidirectional source with cosine power pattern has a directivity of 4, then the directivity of the unidirectional source is:

A source has a sine squared radiation intensity power pattern. The directivity of the given source is:

Considering distance as a parameter, two types of field zones can be defined around an antenna.

If the field strength at receiving antenna is 1 µV/m, and the effective aperture area is 0.4 m² and the intrinsic impedance of the medium is 377 ?, then the power received by the antenna is:

Any signed negative binary number is recognised by its ________

The parameter through which 16 distinct values can be represented is known as ________

If the decimal number is a fraction then its binary equivalent is obtained by ________ the number continuously by 2.

The representation of octal number (532.2)8 in decimal is ________

The decimal equivalent of the binary number (1011.011)2 is ________

An important drawback of binary system is ________

The largest two digit hexadecimal number is ________