Electric current
20
|
Electric current.
|
Electric current. Source of current. Conductors and insulators.
|
Explain conditions for production of electric current.
|
1
|
|
21
|
Electric circuit. Voltage.
|
Electric elements. Electric circuit. Voltage.
|
Use schematical drawings of elements of electric circuit to draw electric circuit;
Explain physical meaning of voltage and its unit of measurement.
|
1
|
|
22
|
Electrical resistance.
|
Electrical resistance.
|
Apply Ohm’s law for part of electric circuit for problem solving.
|
1
|
|
23
|
Resistivity.
|
Length. Area. Resistivity. Resistance and temperature.
| |
1
|
|
24
|
Parallel and series connections of resistors.
|
Series combination.
Parallel combination.
|
Design complex electric circuits (that have series and parallel combination of resistors) by using Ohm’s law.
|
1
|
|
25
|
Electrical energy and power.
|
Electrical energy and power. Joule- Lenz law.
|
Apply formulas of electric power and electric work for problem solving.
|
1
|
|
|
