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What are the definitions of a)voltage and b)current?

a) Current is defined as the rate of flow of charge; I = Q/t (Current is charge/time).b) Voltage is an electromotive force which drives the charge around the circuit. A potential difference between two po...

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Answered by Shrey C. Physics tutor
1500 Views

When is the present subjunctive used?

The subjunctive is a mood rather than a tense and, unlike in English, is used frequently in the French language in both spoken and written forms. It is used: when expressing personal desire (e.g. je veux ...

OT
Answered by Olivia T. French tutor
1255 Views

Find the area under the curve y=xsin(x), between the limits x=-pi/2 and x=pi/2.

We are going to need to use integration for this problem as it involves finding an area under a curve. Also notice that y is a product of two functions of x ; x and sin(x). This means in this particular c...

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Answered by Oakley Y. Maths tutor
2503 Views

Give two features of DNA and explain how each one is important in the semi-conservative replication of DNA.

DNA has a number of important features that allow semi-conservative replication to take place. These include:1. DNA bases are held together by weak hydrogen bonds between bases that can be easily broken, ...

AM
Answered by Alex M. Biology tutor
14496 Views

Describe how a reflex action is coordinated.

1.There are 3 different types of neurons, a receptor and effector that are involved in initiating a reflex response. (Draw these out and label each neurone A B C)2.The receptor detects a stimulus (this is...

AM
Answered by Areej M. Biology tutor
1798 Views

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