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Explain Ohms Law

Ohms law establishes a relationship between resistance, voltage and current, saying that V/I = R. The traditional graph given for ohmic resistors is:An increasing line with gradient x starting at (0,0)

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Answered by Lina L. Physics tutor
1805 Views

Distinguish between internal energy and temperature

Internal energy is the total EK and PE of the molecules/particles/atoms in and objectTemperature is a measure of the average KE of the molecules/particles/atoms

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Answered by Lina L. Physics tutor
1207 Views

3 girls and 4 boys are seated randomly on a bench. Find the probability that the girls set together and the boys sit together.

The number off total arrangements is 7!(permutation). The number of ways for which the girls and boys sit togehter is 3!4!2. The probability is the division of the number of way by the total possi...

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Answered by Lina L. Maths tutor
2146 Views

Solve (sec (x))^2 + 2tan(x) = 0

Using the trigonometric identity: (sec(x))^2 = (tan(x))^2 + 1 we get to (tan(x))^2 + 2tan(x) + 1 = 0. We can express this result as the multiplication of 2 equal factors arriving at (tan(x) + 1)^2 = 0. Th...

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Answered by Lina L. Maths tutor
1778 Views

Describe the process of Eutrophication.

Excess nitrates and phosphates are water soluble and enter rivers/lakes/waterway due to leaching.Algae in the water use the increased level of ions for growth. This is called Algal bloom.Build up of algae...

JU
Answered by Junaid U. Biology tutor
5253 Views

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