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Why n type and p type semiconductors have gauge factor as negative and positive respectively?
Wiki User
∙ 7y ago
An n-type semiconductor is typically pure silicon, doped with a Group 5 element, such as gallium.
Silicon has four (4) electrons in its valence shell, while gallium has five (5). Therefore, when they bond, the fifth electron is promoted to the conduction band as the other 4 have been filled up. This is also called a donor atom.
Now, since there are free electrons in the conduction band, they carry 'extra' negative charge. Thus, it is called an n-type semiconductor.
The p-type semiconductor is similar, except a Group 3 element is used, such as boron. This has 3 valence electrons, creating a positive charge carrier (hole) in the lattice. Thus, there are more positive 'charges,' making it a p-type semiconductor.
Wiki User
∙ 12y ago
Wiki User
∙ 13y agoThe charge of the 'excess' charge carriers gets balanced by an equal and opposite charge of the ionized cores in the lattice.
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Can be the power factor become negative reading?
Yes, power factor can be negative. That is the case of a generator. Power factor is the cosine of the phase angle between voltage and current, and the cosine can be positive or negative.AnswerNo. Power factor can be 'leading' or 'lagging', but it cannot be 'negative' or 'positive'.
What is the expression for sensitivity factor in negative feedback amplifier?
[1/(1+Ab)] is the expression for sensitivity...
What is the maximum current carrying capacity of 35 sq mm copper wire?
The nearest AWG wire size to 50 sq. mm is 1/0. A 1/0 aluminium conductor with an insulation factor of 75 or 90 degrees C is rated at 180 and 205 amps respectively.
What is the difference between unity power factor to 8 power factor?
Power factor does not go above 1. It is the cosine of the phase angle between voltage and current and, as such, can range between +1 and -1, although it should be understood that a negative power factor is mathematically equivalent to a generator - when looking at the load as if it is a motor - or vice versa. Unity power factor is applicable for a resistive load. A typical power factor for a big motor is about 0.92. A theoretical power factor of zero, corresponding to a phase angle of 90 degrees, would mean that the load is purely inductive or capacitive, and that the power supply and conductors are also ideal or theoretical.
Can a baby be born with a negative blood type if both parents have a positive blood type?
and and one from their father, which get passed from generation to generation.... all babies get genes from their parents, who in turn got genes from their parents... -all- of your genes came from your parents, if your parents don't have the gene, you can't get it. (unless you're a mutant) Hair and skin color are complicated because there are lots of different genes that control it, which is why we have so many shades of colors of hair and skin color. But the Rh factor is simple, just two options + or -. If you are Rh-, then you are - - (one negative came from mom and one from dad). If you are Rh+, then you are either + + or + - (it only takes one positive to make you positive) If both parents are Rh+ and have mixed genes (+ -), then it is possible that each of them will give the - gene to their child, making the child Rh- (- -). (there is a 25% chance that the child will be Rh- and 75% chance that the child will get a positive from either one or both parents) If one parent is Rh+ and has 2 positive genes (+ +) then it doesn't matter what the other parent is, all the children will be Rh+ Here is another website that may be able to help ans some quest: http://www.thetech.org/genetics/ask.php?id=114 So, to answer your question. Two Rh+ parents can have an Rh- child..... but the negative still came from the parents.
Will the product of a positive and a negative factor be a positive or negative value?
Negative
Rh positive mother a positive baby?
If a person has the Rh factor, then they are positive. If they don't have the Rh factor, they are negative. The Rh factor is dominant, so a mother with it would have an Rh positive baby even if the father is negative for the Rh factor.
When squaring a negative number if the factor is a negative and the exponent is positive will your answer be negative or positive?
If you square any real number it will always be positive.
What is a positive factor in math?
A factor is a number or algebraic expression by which another is exactly divisible. A positive factor is a factor that is a positive number as opposed to a negative one.
What is a positive factor?
A factor is a number or quantity that when multiplied with another produces a given number or expression. A positive factor is a factor that is positive as opposed to being negative.
What are positive factors?
A factor is a number or quantity that when multiplied with another produces a given number or expression. A positive factor is a factor that is positive, as opposed to negative.
What is the smallest factor of a number?
The smallest positive factor of any positive integer is the number 1. If negative factors are allowed, the smallest factor is the negative of the absolute value of any integer.
Can you give A positive blood to A negative blood?
No. The Rh Negative blood group is formed by an absence of the Positive factor.
Can parents have negative and positive Rh children?
CAN children hae positive and negative RH factor blood types
Why can't you factor negative radical numbers?
You cannot factor negative radical numbers because the square of a number must always be positive. A negative number multiplied by a negative number produces a positive number. So, it is impossible to have a negative radical.
The product of an odd number of negative factors is positive?
False.positive x positive = positivepositive x negative = negativenegative x positive = negativenegative x negative = positiveEvery 2 negative factors provides a positive result, so if there are an odd number of negative factors, there are 2n + 1 of them which means the 2n would provide a positive factor to be multiplied by the final negative factor which gives a negative result.
Difference between positive and negative corelation?
Positive correlation means that, if something increases, a factor dependent on it also increases. However, if there is negative correlation, the dependent factor decreases.
