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juliahbaratt2717
27.08.2019 •
Physics
Aparticle with a charge of 3.00 elementary charges moves through a potential difference of 4.50 volts. what is the change in electrical potential energy of the particle?
(1)1.07 × 10 19ev
(2)2.16 × 10 18ev
(3)1.50 ev
(4)13.5 ev
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Ответ:
the relationship between elementary charge, potential difference and electrical potential energy is given by
E= qV
E: lectrical potential energy
q: elementary charge
V: potential difference
but we have e=abs val(q)=3
so we have E= qV=3ex4.5V=13.5 eV
the answer is (4)13.5 eV
Ответ: