4 Questions
What is the flow of electric charge that does not change direction with time called?
Direct current (DC)
In a circuit, what is the unit of electric current?
Ampere
What property of a material is measured by its resistance to the flow of electric current?
Resistivity
What law states that the current flowing through a conductor is directly proportional to the voltage across it, provided the temperature remains constant?
Ohm's law
Study Notes
Electric Charge and Current
- Electric charge that does not change direction with time is called Direct Current (DC).
- In a circuit, the unit of electric current is Ampere (A).
Material Properties
- The property of a material measured by its resistance to the flow of electric current is Conductivity.
Ohm's Law
- Ohm's Law states that the current flowing through a conductor is directly proportional to the voltage across it, provided the temperature remains constant.
Test your knowledge of current electricity with this quiz designed for Class 12 students of the Jharkhand Academic Council board. The quiz covers topics such as electric charge, unit of electric current, resistance of materials, and Ohm's law.
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