Answer:
The right choice would be Option b (2.545).
Explanation:
The given values are:
The aggregate blend will be:
= 55%
= 2.631
= 25%
= 2.331
= 20%
= 2.609
Now,
On applying the formula, we get
⇒
On substituting the values, we get
i think is B
Well, I do know that polarity affects the voltage.
Answer C
That is the correct way.
c
This is because many things, such as pcs, over heat