Assertion (A): Relative permittivity is determined by the atomic structure of the material.

Reason (R): Absolute permittivity is determined by the atomic structure of the material.

Assertion (A): Derivative control action cannot be used alone.

Reason (R): Derivative control action is effective only during transient periods.

1. The detector reads zero when phases of input signal and reference signal are different.
2. The detector acts as a linear rectifier.
3. The detector can be used as vector voltmeter.

1. An address space is a set of all possible addresses which can be generated by a microprocessor.
2. Each address in the address space allows a designer to provide at least one memory or I/O location in the system.
3. Two types of address spaces are memory and I/O address space.
4. Some micro processors have only one type of address space.

Assertion (A): In AM carrier component remains constant in amplitude and frequency.

Reason (R): In AM the two side bands are images of each other.

Match the following:

1. It increases system gain
2. It improves sensitivity
3. It improves system stability