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Is sure can! Your hormones are usually all over the map just before you start your periods and even during. Usually blemishes can break-out during this time.

You don't have to spend a bundle to get a regiment of good skin care. If you have an oily complexion then buy products like Ponds/Nutrigena/etc. Face foam is great (get it for oily skin, or if you have dry skin.) Never leave your make-up on at night and let those pores breath. Use a non-drying toner on your freshly washed face, and find a cream in one of the products I mentioned that doesn't clog pores.

There are also blemish products out there that will help dry up the blemish(s).

Usually when starting periods many women get a "sweet tooth" so instead of eating too many sweets, eat a small piece of chocolate (suck on it) and it will take the cravings away. Green leafy vegetables and fruits are excellent for good skin complexion and don't forget that water! 8 glasses a day.

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Why skin effect not act on the transformer?

Skin effect is a physical effect that operates on thick conductors. In a transformer the conductors are usually too thin for any substantial skin effect to occur.


Why skin effect for a conductor is not applicable for DC?

As we know that skin effect occures in ac system.skin effect dependes on frequncy.In case of dc syastem frequncy is zero.So skin effect for conductor is not applicable for dc.


Why skin effect is frequency dependent?

skin effect occures in ac system due to un uniform distribution of current in conductor.Ac system has frequency.SO we can say that skin effect is frequecy dependent.AnswerThe skin effect is caused partly by self inductance which will only occur with a varying current -i.e. with an a.c. current.


What is skin effect and methods to reduce skin effect?

with the inductance of a conductor it tends to push current flow to the outsideto reduce the effect you make the conductor hollowwith 80 hz and Cu conductor the current is in the outer 8mm or so.AnswerYou cannot really reduce the skin effect in ordinary conductors; for the sake of economy, you can use tubular conductors. Tubular conductors do not reduce the skin effect, but merely saves copper (if little current flows towards the centre, why have a centre!). However, special, insulated, conductors ('litz' wire) woven or braided in various patterns, can be used for special applications (e.g. high-frequency transformer windings) up to around 1 MHz or so. Because each strand has a very small cross-sectional area, and is insulated from its adjacent conductors, the skin effect is negligible compared with if it were a solid conductor.


What is the effect of frequency on calibration of thermocouple?

the frequecy effect arises because of various factors such as: 1. Skin effect. 2. non uniform distribution of current along the heater wires. 3. spurious capative currents.