Now based on the list provided I would like to ask same ques

Now based on the list provided, I would like to ask same question. Assuming your DMM setting is at AC, which one of the values from the list will you be measuring if your DMM is connected to an AC source?

Characteristics of sinewave

1.PEAK TO PEAK value: The PEAK TO PEAK value is the vertical distance between the top and bottom of the wave. It will be measured in volts on a voltage waveform, and may be labelled V_PP or V_PKPK. In a current waveform it would be labelled I_PP or I_PKPK as I is used to represent current.

2. Instantaneous value: This is the value (voltage or current) of a wave at any particular instant.

3.Amplitude: The AMPLITUDE of a sine wave is the maximum vertical distance reached, in either direction from the center line of the wave. As a sine wave is symmetrical about its center line, the amplitude of the wave is half the peak to peak value.

4.PEAK value: The PEAK value of the wave is the highest value the wave reaches above a reference line.

5.Periodic time and Frequency: The PERIODIC TIME (given the symbol T) is the time, in seconds milliseconds etc. taken for one complete cycle of the wave. It can be used to find the Frequency of the wave ƒ using the formula T =1/ƒ

6.Average value: This is normally taken to mean the average value of only half a cycle of the wave. If the average of the full cycle was taken it would of course be zero, as in a sine wave symmetrical about zero, there are equal excursions above and below the zero line.

7.RMS value: The RMS or ROOT MEAN SQUARED value is the value of the equivalent direct (non varying) voltage or current which would provide the same energy to a circuit as the sine wave measured. That is, if an AC sine wave has a RMS value of 240 volts, it will provide the same energy to a circuit as a DC supply of 240 volts.

V_rms= V_peak x0.707

Or I_rms=I_peak x 0.707

Solution

Always Measuring instruments reads only the RMS Values , Since Avg Value of Sin Signal over one complete cycle in Zero.

Finally RMS Value wil be measured by DMM instruments.