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Презентация, доклад к уроку физики на тему Электрическое поле на английском языке
Содержание
- 1. Презентация к уроку физики на тему Электрическое поле на английском языке
- 2. There is an electrical field around any
- 3. THE ELECTRIC FIELD www.britannica.comThe forces acting
- 4. The electric field lines of positively and
- 5. The fields of different magnitude charges
- 6. THE ELECTRIC FIELD http://www.pstcc.edu/nbs/WebPhysics
- 7. In the field, the charge moves due
- 8. THE ELECTRIC FIELD W = q E d
- 9. The work done by electrical force is
- 10. PE = qEdTHE ELECTRIC FIELD r = d+qrF
- 11. The electric potential energy per unit charge
- 12. The points A and B have different
- 13. State the relationship between the electric
- 14. Two parallel plates are connected to a
There is an electrical field around any chargeTHE ELECTRIC FIELD An electrical field is insensible and invisible but we can draw it
Слайд 1LET'S WATCH THIS VIDEO
https://www.youtube.com/watch?time_continue=170&v=FSTrypIrkx4
Charges can interact at a distance
THE ELECTRIC FIELD
Слайд 2There is an electrical field around any charge
THE ELECTRIC FIELD
An electrical field is insensible and invisible but we can draw it
Слайд 3THE ELECTRIC FIELD
www.britannica.com
The forces acting on a test charge
at different points within the fields of positive and negative charges
Слайд 4The electric field lines of positively and negatively charged point charges
The
electric field lines for two types of systems of charges
THE ELECTRIC FIELD
http://servomotors.ru
Слайд 5 The fields of different magnitude charges in the equally remote points
differ from each other
These fields have different electric field strengths E
THE ELECTRIC FIELD
The electrical fields strength E is defined as the electric force per unit charge experienced by a small positive point charge q
Слайд 7In the field, the charge moves due to the Coulomb’s force,
it means that the work is done.
THE ELECTRIC FIELD
The direction of the motion of positive charge in uniform electric field
www.en.wikibooks.org
d
If the charge passes the distance d the work is
W = qEd
Слайд 9The work done by electrical force is equal to the negative
of the change in potential energy of the charge
ELECTRIC FIELD
d
0
PE = qEd
Слайд 11The electric potential energy per unit charge is called the electric
potential V
THE ELECTRIC FIELD
Слайд 12The points A and B have different electric potential. Potential difference is
called the Voltage U
THE ELECTRIC FIELD
www.voer.edu.vn
Слайд 13State the relationship
between the electric field strength and the voltage
ELECTRIC
FIELD
V = Er
→
A
B
d
Слайд 14Two parallel plates are connected to a battery of potential difference
3 V. If the distance between the plates is 30 cm, find
a) The magnitude of the electric fields strength at points K,L,N and M.
b) The potential differences between points N and M, L and K, M and K.
ELECTRIC FIELD
