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Why does a wire get hot when current flows through it?

Current is defined as the flow of electrons. This flow is caused by the electrons within the wire being pulled by electric field. As the electrons travel through the wire they collide with the atoms that...

Answered by • Physics tutor

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Quali sono i vantaggi e gli svantaggi del frequentare l'università ?

Personalmente, penso che ci siano molteplici vantaggi legati all'educazione universitaria.Prima di tutto, ottenere un titolo di studio universitario permette di avere maggiori possibilità lavorative , olt...

Answered by Arianna C. • Italian tutor

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What is the derrivative (dy/dx) of the equation 2 = cos 4x - cos 2y in terms of x and y?

A common C4 question where the student would need to use implicit differentiation to obtain an equation with the derrivative in it. 0 = -4sin4x + 2(dy/dx)sin2y. Then all that is required is rearranging th...

Answered by Arsh Y. • Maths tutor

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Two types of long-term memory are procedural memory and episodic memory. Explain two differences between procedural memory and episodic memory. (4 marks)

Procedural memory is part of the long-term memory which is responsible for knowing how to do things i.e. memories of motor skills (for example, riding a bike). Episodic memory, on the other hand, is respo...

Answered by Mila M. • Psychology tutor

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Translate the following sentences into German. 1. "I have a sister and she is called Anna." 2. "My brother is tall and very nice" 3. "We live in a house with a garden" 4. "My school has a swimming pool" 5. "I ate chicken and salad yesterday"

Ich habe eine Schwester und sie heißt AnnaMein Bruder ist groß und sehr nettWir wohnen in einem Haus mit einem GartenMeine Schule hat ein SchwimmbadGestern hab ich Huhn und Salat gegessen

Answered by Anne J. • German tutor

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