2 years ago

Please Please Help!!, What happens when a current moves through a wire and the wire is placed near a magnet?

Physics

2 answers:

USPshnik [31]2 years ago

7 0

I think it is c not sure

LenaWriter [7]2 years ago

7 0

'd' is the correct choice. Don't make me type out the whole statement again.

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What is power, and what is its relationship to voltage and amperage?

kvasek [131]

The relationship between amperage, voltage, and power is that power equals the amperage quantity times the amount of voltage.

Power: is the amount of energy transferred or converted per unit time.

7 0

2 years ago

For the following elementary reaction 2br• -> br2-. The rate of consumption of the reaction and the rate of formation of prod

Scorpion4ik [409]

Answer: $-\frac{1}{2}\times \frac{d[Br^.]}{dt}=+\frac{d[Br_2]}{dt}$

Explanation:

Rate of a reaction is defined as the rate of change of concentration per unit time.

Thus for reaction:

$2Br^.\rightarrow Br_2$

The rate in terms of reactants is given as negative as the concentration of reactants is decreasing with time whereas the rate in terms of products is given as positive as the concentration of products is increasing with time.

$Rate=-\frac{d[Br^.]}{2dt}$