K Goud on Instagram: "RS Series ⚡ **Day 4** | Ohm’s Law for Railways 🚆 Voltage, current, and resistance look confusing until you see the logic. Ohm’s Law (**V = IR**) connects them in the simplest way and is a **frequent question area in Railway & SSC exams**. Today’s RS Series lesson focuses on clear concept + one exam-oriented practice idea so you can solve numericals faster and avoid silly mistakes. Consistency is the key—Day 4 done, selection closer 💪 Ohm’s Law, Current Electricity, Railwa