An operating electric circuit consists of a lamp and a length of nichrome wire connected in series to a 12- volt battery. As the
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<h2>Answer: 136.363 m</h2>
Explanation:
We can find the wavelength of the radiation produced by the microwave oven by using the following given equation:
(1)
Clearing :
(2)
Knowing
(3)
This is the wavelength of the radiation produced by the microwave
Answer:
Explanation:
The water droplet is initially neutral, it will obtain a 40 nC of charge when a charge of -40 nC is removed from the water droplet.
The charge on one electron,
Let the N number of electrons have charge -40 nC, such that,
Now, mass of one electron =
Therefore, mass of N electrons =
It is the mass of the of the water droplet that must be removed in order to obtain a charge of 40 nC.
Let it is m times the total mass of the droplet which is
Then,
It is the required fraction of mass of the droplet.