Current. Ammeter

Translate into English:

Questions:
Who said the term “electric current” for the first time?
André-Marie Ampère
(20 January 1775 – 10 June 1836)

Current - Сила тока (I, A)
Current is the amount of charge passing through a point in the circuit in one second.

Current
I - Current (A)
q – Charge (C)
t – time (s)

Units of current
Caution!
1A is dangerous for life!

Ammeter (Амперметр)
Ammeter is the device for measuring current

Problem solving
10A
A charge of 3.6*104C passes through a bulb in 1 hour. What is the current passing through the bulb?
7.2A
3.6A
a
b
c

Practice:

Symbols of electric device or Electric elements

Draw an electric circuit diagram of this pictures:

Make a circuit:
Draw a circuit into the exercise-book,
Write down
I= …

Alternative energy sources

Feedback:
I didn’t understand
anything and was waiting
the end of the lesson
I didn’t like
the lesson
I understood
everything.
I liked the lesson.
Text
Text
Text