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Electrical current in copper is the flow of electrons which are negaitve charge particles. In a typical battery, electrons flow from the negative (bottom) side to the positive (top, nipple) side. However, the engineering convention is to call the "plus" side of the battery the source so current is said to flow from the plus side to the negative side -- which is the opposite to the physical flow of electrons.
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What does the negative sign on the value of an enthalpy of formation indicate?
A negative enthalpy of formation indicates that energy is evolved.
What does negative sign if the value of magnification of a mirror indicate?
It means that the pre-image and image are on opposite sides of the centre of magnification.
What is the percent of the decrease in price from 14.44 to 13.72?
Answer:4.99%Solution:We can use the equation of % growth rate:(Current value/Previous Value - 1) * 100%=( 13.72/14.44 - 1) * 100%= -4.99 %the negative sign indicate that there is decrease in price, i.e.the % decrease of the price = 4.99%
Which are the positive and negative?
The ones with the + sign are positive. The ones with the - sign are negative.
What is the sign for positive divided by negative?
negative
