One of the photovoltaic panels does not generate electricity

Is the use of "one of the" correct in the following context?

I want to know what the constraints are on using the phrase one of the. Is it used correctly in this example? He is one of the soldiers who fight for their country.
Which is correct vs which one is correct? [duplicate]

When using the word " which " is it necessary to still use " one " after asking a question or do " which " and " which one " have the same meaning? Where do you draw the line on the
"One-to-one" vs. "one-on-one"

One-to-one is used when you talk about transfer or communications. You may use one-to-one when you can identify a source and a destination. For eg., a one-to-one email is one sent
word usage

one-on-one is used to talk about meetings between two people. When there is a discussion we can call it a one-on-one discussion; as an alternative for a face to face confrontation and in interviews (quite
"Which one is the best" vs. "which one the best is"

"Which one is the best" is obviously a question format, so it makes sense that " which one the best is " should be the correct form. This is very good instinct, and you could even argue that
Difference between "hundred", "a hundred", and "one hundred"?

Regarding one hundred or a hundred etc, the person saying that there is a difference is right - one is used more for precision but a is more common and employed.
Is the possessive of "one" spelled "ones" or "one''s"?

How one and one''s is different from other indefinite pronouns The possessive of one (one''s) is formed the same way as the possessive of other indefinite pronouns, such as someone (someone''s), but it is
idioms

As an American, I mostly hear “on the one hand,” but use only “on one hand.” By the vagaries of fate, I''m a linguist. Synchronically, the adj. one in “one hand” is a determiner, and two in a
pronouns

Which one is grammatically correct or better? I have two assignments, One of them is done. I have two assignments, One of which is done. I watched a video tutorial that the teacher said the
What''s the difference between "ones", "the ones", "those", "one", "the

Some people say a dog=one, dogs=ones, the dog=the one=that, and the dogs=the ones=those. It''s a rule of thumb, but what I found was that this is not always correct.