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Explain the difference between current and voltage

Current is defined as the amount of electrons that flow through a wire per second Voltage is defined as the amount of energy that each electron carries as it passes through the wire
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Answered by Harout K. • Physics tutor
2827 Views

Why are monopolies inefficient?

A monopoly is occurs when there is a single firm is the only supplier of a good or service in a given economy. Thus, it is able to choose the price that it wants (price maker) and a given quantity that will ...
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Answered by Harout K. • Economics tutor
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How would I go about learning my set text thoroughly and accurately?

You need to find the best possible method for you. 1. Make sure you read aloud your text, and record yourself, then listen to the text while you are walking, running, before bed, ect. 2. You need to be able ...
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Answered by Sophie D. • Latin tutor
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Two pendulums consist of a massless rigid rod of equal length attached to a small sphere of equal radius, with one sphere hollow for one pendulum and the other solid. Each pendulum undergoes damped SHM. Which pendulum has the largest time period?

This question requires a qualitative answer seeing as we do not have an expression for the time period of a pendulum undergoing damped SHM. This is what the examiners will be expecting.There are a few differ...
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Answered by Callum G. • Physics tutor
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Calculate the number of moles in 23.0g of CO2? ( relative atomic mass : Carbon=12, Oxygen=16)

Firstly we need to work out the molecular mass of CO 2 . There is one carbon and two oxygens so we have to add the relative atomic mass (Ar) of one carbon and two oxygens. From the question we know the A r o...
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Answered by Dilan B. • Chemistry tutor
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