الفيزياء العامة الجزء الثاني#موقع الفيزياء.كوم

Lectures in General Physics
Example 5.15
Two large parallel conducting plates are 10 cm a part and carry equal
but opposite charges on their facing surfaces as shown in figure 5.18.
An electron placed midway between the two plates experiences a force
of 1.6 × 10 -15 N.
What is the potential difference between the plates?
A
B
Solution
V
B
-V
A
=Ed
E
يمكن حساب المجال الكهربي
المؤثرة على الإلكترون
عن طريق القوى الكهربية
F = eE ⇒ E = F/e
V
B
-V
A
= 10000 × 0.1 = 1000 volt
10cm
Figure 5.18
Dr. Hazem Falah Sakeek