CBSE Class 12 Current Electricity Formula List: Download PDF

Current Electricity Formula Sheet Class 12: Students can find the Class 12 Physics Chapter 3 Current Electricity formula sheet here along with PDF download link of the same. All the important formulas from the chapter have been picked up and integrated into a single place such that students can save time and effort during their preparation process. Formula sheets are quite handy and useful since students don’t have to keep going back to the chapters in search of formulas while solving questions, revising, or practising. 

Benefits of Formula Sheets

Here are a few reasons why students should keep the formula sheets handy at all times. 

• Eases out the memorization process, since students end up looking at the formulas frequently and multiple times throughout the day
• Provides students with the list of important formulas at a single location
• Saves time and effort of students that can be used in other tasks during the preparation process
• Comes in handy at all times
• Portable in nature and students can carry them to their classrooms, tuitions, and wherever required
• Saves students from the rigorous process of searching each and every formula present in between the texts inside the chapters
• Makes revision easier and quicker for students. Also provides assistance while solving questions and practising for the exam

Current Electricity Class 12 Formula Sheet

Find the complete list of important formulas for Class 12 Physics Chapter 3 Current Electricity below. 

• Current 

, where I is the current, q is the charge, and t is the time interval

• Ohm’s Law

, where V is the potential, R is the resistance and I is the current

• Resistance of a given conductor

, where R is the resistance, A is the area, l is the length and ρ is the resistivity constant

• Conductivity

, where σ is the constant of conductance, n is the number of free electrons, e is the charge, m is the mass, and τ is the torque

• Mobility

, where μ is mobility, Vd is the drift velocity, and E is the electric field

• Resistivity

, where n is the number of electrons, e is the charge, τ is the average collision time of electrons

• Power 

, where V is the potential and I is the current

• Null-point condition

, where R is the resistance

Also Find: 

Physics Class 12 Formulas (All Chapters)