ANalysis 

• State Ohm’s law. (Repeated)
  
  

• Define electric current and current density. (2019, 2022)
  
  

• Define resistivity and conductivity. (2020, 2023)
  
  

• Define drift velocity. (2021)
  
  

• State relation between current and drift velocity. (Repeated) 

• Explain factors affecting resistance. (2018, 2022)
  
  

• Distinguish between emf and potential difference. (2019, 2023)
  
  

• Write expression for drift velocity. (2020, 2021) 

• Derive relation between current and drift velocity. (Repeated)
  
  

• Explain heating effect of current (Joule’s law). (2019, 2022)
  
  

• Explain color code of resistor. (2020, 2023) 

• Derivation of combination of resistances (series & parallel). (Repeated)
  
  

• Derivation of Kirchhoff’s laws and applications. (2018, 2021, 2024)
  
  

• Wheatstone bridge principle and condition for balance. (Repeated) 

1. Series and parallel resistance calculation.
   
   

2. Current and voltage calculation using Ohm’s law.
   
   

3. Power and electrical energy calculation.
   
   

4. Heating effect numerical (Joule’s law).
   
   

5. Kirchhoff’s law circuit problems.
   
   

6. Wheatstone bridge balance condition.
   
   

7. Meter bridge problems. 

✅ Kirchhoff’s law circuit numericals

✅ Wheatstone bridge & meter bridge

✅ Heating effect numericals

✅ Drift velocity derivation

✅ Series & parallel resistance problems