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State Faraday's Law of electromagnetic induction, both qualitatively and quantitatively. How is Lenz's Law included in this? (4 marks)

emf= (-) d(magnetic-flux)/dt (1 mark) Faradays law of induction states that the electromotive force induced in any closed circuit is equal to the negative rate of change of magnetic flux enclosed in the circ...
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Answered by Mabast H. • Physics tutor
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Draw the graph y=4x+2

From the format of the equation, we know this graph is a straight line because it follows the form, y=mx+c. The coefficent of x (the number before x) describes the gradient of the straight line or m. This me...
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Answered by Della S. • Maths tutor
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Draw y=x^2+5

Draw y=x^2+5. Draw the axes. Y to the sky (Y axis is vertical) and X across (X axis is horizontal). Then breakdown the equation. Firstly what power is the x to? x^2 means that the graph will have a U shape. ...
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Answered by Dona S. • Maths tutor
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What were the origins of the First World War?

Points that student should remember before answering this question: Historiography and historical debate Argumentation + essay structure Be confident in your argument Point, explanation, proof The origins of...
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Answered by Francesca E. • History tutor
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What is the difference between internalism and externalism?

In the field of epistemology internalism and externalism are the main methods by which we understand the world and acquire knowledge. Externalism, also sometimes termed inductive empiricism, is the observati...
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Answered by Kevin L. • Philosophy tutor
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