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What is EMF? How do we test for it?

Electromotive Force (EMF) is the measure of how much energy a source like a battery gives to the charges in a circuit. As with most things, this energy source is not 100% efficient, and has an associated ...

KM
Answered by Kieran M. Physics tutor
3332 Views

What is a dative covalent bond?

A dative covalent bond, or coordinate bond, is a bond where there is 1 pair of shared electrons between two atoms. The difference relative to a covalent bond is that in a dative covalent bond these electr...

AN
Answered by Angela N. Chemistry tutor
5493 Views

How would I differentiate y = 3xy + 2x^2 + x^2y^2 ?

Since this problem contains both xs and ys on the right hand side, we need to use implicit differentiation. This is where we use the chain rule to differentiate with regards to x the terms which contain y...

EO
Answered by Emelia O. Maths tutor
15254 Views

"The story of Echo and Narcissus is a love story." Do you agree or disagree? Give reasons for your answer

Echo and Narcissus is not a love story. Ovid may be known for his elegiacs on love and courtship, but it is in the Echo and Narcissus episode that his true penchant for sex, wit and amoral punishment come...

GF
Answered by George F. Latin tutor
2399 Views

The equation of the line L1 is: y = 5x-4. The equation for line L2 is 2y-10x+16 = 0. Show that these two lines are parallel.

L1: y=5x-4L2: 2y-10x+16=0. Rearranged: 2y=10x-16, y=5x-8 The coefficient of x is the same in both equations when expressed in standard format (5), therefore the lines are parallel.

AW
Answered by Alfie W. Maths tutor
4768 Views

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