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How do diodes work?

A diode is an electrical component in a circuit. It only allows electricity to flow in one direction. It can be used to change a current from alternating to direct.

Answered by Samuel A. • Physics tutor

2489 Views

¿Cuál es tu opinión de Facebook?

A mi parecer, Facebook controla demasiadamente la vida de mucha gente, y de muchas maneras. Por ejemplo, crea la presión social, en forma de mostrar fotos de los demás divirtiéndose. Los psicólogos han he...

Answered by Miles R. • Spanish tutor

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Solve algebraically: 6a+3b=24, 3a-b=7

Equation 1 : 6a+3b=24Equation 2: 3a-b=7
Rearrange equation 2 to make b the subject:add b to both sides : 3a=7+bminus 7 from both sides: 3a-7=b
Substitute this into Equation 1 : 6a + 3(3a-7)=24

Answered by Emily G. • Maths tutor

4875 Views

Find the coordinates of the stationary points of the curve 3x=y+6x+3

First, straight away from reading the question you know this question will involve differentiating the function with respect to x so immediately you want to re-write the equation in terms of y which in th...

Answered by James S. • Maths tutor

3783 Views

The equation of line L1 is y=4x+3, The equation of line L2 is 4y-16x-2=0, Show that these two lines are parallel.

The equation of a line is shown in the form y=mx+c to prove that two lines run parallel you must prove that they have the same gradient or value of 'm', the number before x. The first equation L1 is alrea...

Answered by Sophie C. • Maths tutor

3630 Views