Solution:

A person who is wearing an analogue watch.

The person will have two hands of his own and three hands will be possessed by the clock (hour hand, minute hand and second hand). If supposedly the watch also have a millisecond hand, the hands will sum up to six.

Solution:

I am DAVID.

At the core I have 5
If we talk in roman numeric system, 5 = V

Similarly, 500 stands in the beginning and end
500 = D

I also include the first letter i.e. A and the first number i.e. I (in roman numeric system)

All of them combine to form DAVID.

Solution:

They are gloves
(It is not a sorcery, they are gloves.)

Solution:

I am a windmill.

Solution:

I am Voice

Solution:

I am a Sponge

Solution:

Window

Solution:

I am Water

Solution:

I am a battery.

Solution:

A River