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How should I answer a question that asks me to analyse a source?

Primary source analysis requires you to use examples of how people in the past wrote about or depicted different phenomena. FIrst, it is important to link the particular source to a wider historical period o...
MS
Answered by Marcell S. • History tutor
3271 Views

A torch uses 15watts of energy. It uses two 1.5volt batteries connected in series. What is the resistance in the circuit of the torch?

In order to answer this question, we need a formula which relates resistance to voltage and power. We don't already know this formula, but can create it from two formulae we already know: P=IV & V=IR. As...
HW
Answered by Hugo W. • Physics tutor
2611 Views

Could you explain the how an AC generator works?

Simply, a generator uses the rotation of a coil of wire in a magnetic field to produce electricity. (The principle of electromagnetic induction/ faraday's law : Any change in the magnetic environment of a co...
AR
13707 Views

2^6*2^10=?

When multiplying two same numbers with powers, we add the powers together. The answer of this question would be 2^16, which is also 65536.
HH
Answered by Hamza H. • Maths tutor
3566 Views

What is the difference between an alkene and an alkane ?

An Alkene is an unsaturated hydrocarbon, whilst an Alkane is a saturated hydrocarbon. A hydrocarbon is a compound made up of only carbon and hydrogen. A compound is unsaturated if there is one or more double...
IC
Answered by Imogen C. • Chemistry tutor
3665 Views