The frequency of direct current is _____________
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Which of the following device is used to measure humidity?
The motion of a freely falling body is an example of ______________ accelerated motion.
As a sailor jumps in the forward direction, the boat moves backwards. This example illustrates Newton's :
Fuse wire is made of an alloy of
At what temperature (in Fahrenheit) pure water freezes?
An example of longitudinal waves (in gas as a medium) is ______.
An anemometer measures which of the following ?