Class 12 Physics: Current Electricity Basics
This worksheet tests fundamental concepts in Current Electricity, covering Ohm's Law, resistivity, drift velocity, and basic circuit components.
Class 12CBSEPhysicseasyPractice
Preview · 10 questions
- Q1. Which of the following is the SI unit of electric current?
- Coulomb
- Ampere
- Volt
- Ohm
- Q2. Ohm's law states that at constant temperature, the current flowing through a conductor is directly proportional to the:
- Resistance
- Voltage
- Power
- Charge
- Q3. The reciprocal of resistance is known as:
- Resistivity
- Conductance
- Conductivity
- Current density
- Q4. Which material has a negative temperature coefficient of resistance?
- Copper
- Nichrome
- Silicon
- Aluminum
- Q5. Drift velocity of electrons is directly proportional to the:
- Electric field applied
- Resistance of the conductor
- Length of the conductor
- Cross-sectional area of the conductor
+ 5 more in the printable PDF.