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Given an ammeter voltmeter a battery and a lamp how will you find the resistance of the lamp?

I will draw this on the whiteboard function.
BH
Answered by Ben H. • Physics tutor
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Describe how crude oil is separated into fractions in industry

Crude oil is made of many hydrocarbons that can have differing lengths . A hydrocarbons length determines it's boiling point due as a higher number of atoms in the chain means it has more Van Der Waals force...
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Answered by Ben H. • Chemistry tutor
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What is personification in poetry?

Personification is when writers give human characteristics to anything that is non-human. For example, objects, ideas, or animals. This can have a powerful descriptive effect for the reader. For example 'the...
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Answered by Lisa P. • English tutor
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Solve the inequality x^2 < -8x + 9

Notice that the inequality may be rearranged to give the quadratic x^2 + 8x - 9 &lt; 0.Factorise the quadratic to give (x-1)(x+9) &lt; 0.Treating the expression as an equality, recall that if the product of ...
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Answered by Isaac S. • Maths tutor
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For any given journey, ABC Taxis charge customers a base fare of £5 plus 80p per mile. XYZ Taxis charge a base fare of £3 plus £1.20 per mile. Find the number of miles, x, that must be traveled in order for ABC taxis to be the cheaper journey option.

This question can represented in algebraic form: ABC Taxis = 0.8x + 5XYZ Taxis = 1.2x + 3 Noting that the units must be consistent throughout the question, so we have changed the pence into miles. (80p = £0....
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Answered by Euan M. • Maths tutor
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