Chapter 6 of 28
Formula Sheet
Current Electricity — Formula Sheet
CUSAT CAT · Physics
Free Current Electricity formula sheet for CUSAT CAT Physics 2026 — all important formulas, equations, and constants for quick reference.
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Important formulas and equations from Current Electricity for CUSAT CAT Physics.
Formulas — Current Electricity
Electric Current
I = Q/tI = nAev_dOhm's Law and Resistance
V = IRR = ρl/AJ = σE = E/ρv_d = eEτ/mElectrical Power and Energy
P = VI = I²R = V²/RW = Pt = VIt = I²RtP_loss = I²R_c = P²R_c/V²Combination of Resistors
R_series = R₁ + R₂ + R₃ + ...1/R_parallel = 1/R₁ + 1/R₂ + 1/R₃ + ...R_parallel = R₁R₂/(R₁ + R₂)Get the complete formula sheet with derivations — continue in Super Tutor
Frequently Asked Questions
What topics are covered in Current Electricity for CUSAT CAT?
Current Electricity is an important chapter in CUSAT CAT Physics. It covers key concepts and formulas that are frequently tested in the exam. Key topics include: Electric Current and Current Density, Ohm's Law and Resistance, Drift Velocity and Microscopic Origin, Temperature Dependence of Resistivity.
How important is Current Electricity for CUSAT CAT?
Current Electricity is a frequently tested chapter in CUSAT CAT Physics. Questions from this chapter appear regularly in previous year papers. There are 507 practice questions available for this chapter.
How to prepare Current Electricity for CUSAT CAT?
Start by understanding the core concepts, then solve practice questions. Focus on formulas and their applications. Use revision notes for quick review before the exam.
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