Electrical Energy and Power | RE NEET 2026 PYQ | Current Electricity | 16 Important NEET Quest | P8

🎯 ⚡ NEET Physics में Current Electricity के Heating Effect, Electric Power और Electrical Energy से हर साल 1–2 questions जरूर पूछे जाते हैं! In this video, we solve the most important NEET PYQs (1989–2025) covering Joule’s Law of Heating, Electric Power, Fuse Wire, Power Transmission, Bulb Ratings, Capacitor Discharge, and Equivalent Resistance. ⏰ Timestamps: 0:00 Introduction | NEET 2026 0:15 Q1 Two resistors of resistance, 100Ω and 200Ω are connected in parallel in an electrical circuit. The ratio of the thermal energy by developed in 100Ω to that in 200Ω in a given time is | NEET 2022 01:56 Q2 Which of the following acts as a circuit protection device? | NEET 2019 02:23 Q3 The charge flowing through a resistance R varies with time t as Q = at - bt², where a and b are positive constants. The total heat produced in R is | NEET 2016 06:58 Q4 Two cities are 150 km apart. Electric power is sent from one city to another city through copper wires. The fall of potential per km is 8 volt and the average resistance per km is 0.5Ω. The power loss in the wire is | NEET 2014 08:56 Q5 If voltage across a bulb rated 220 volt-100 watt drops by 2.5% of its rated value, the percentage of the rated value by which the power would decrease is | NEET 2012 13:23 Q6 An electric kettle takes 4 A current at 220 V . How much time will it take to boil 1 kg of water from temperature 20^(∘)C ? The temperature of boiling water is | NEET 2008 15:42 Q7 A 5 ampere fuse wire can withstand a maximum power of 1 watt in the circuit. The resistance of the fuse wire is | NEET 2005 17:07 Q8 In India electricity is supplied for domestic use at 220 V . It is supplied at 110 V in USA. If the resistance of a 60 W bulb for use in India is R, the resistance of a 60 W bulb for use in USA will be | NEET 2004 18:32 Q9 Fuse wire is a wire of | NEET 2003 19:25 Q10 Two bulbs are of (40W,200V), and (100W,200V). Then correct relation for their resistances is | NEET 2000 20:22 Q11 A 5^(∘)C rise in temperature is observed in a conductor by passing a current. When the current is doubled the rise in temperature will be approximately NEET 1998 22:22 Q12 A (100W,200V) bulb is connected to a 160 volts supply. The power consumption would be | NEET 1997 23:27 Q13 One kilowatt hour is equal to | NEET 1997 24:19 Q14 A 4μF capacitor is charged to 400 V . If its plates are joined through a resistance of 2kΩ, then heat produced in the resistance is | NEET 1995 25:55 Q15 An electric bulb is rated 60W,220V. The resistance of its filament is NEET 1994 26:54 Q16 A current of 2 A , passing through a conductor produces 80 J of heat in 10 seconds. The resistance of the conductor in ohm is | NEET 1989 27:29 Q17 A wire of resistance R is cut into 8 equal pieces. From these pieces two equivalent resistances are made by adding four of these together in parallel. Then these two sets are added in series. The net effective resistance of the combination is | NEET 2025 🔥 Complete NEET Physics PYQ Series for NEET 2026 by Sameer Kumar (B.Tech IIT Kharagpur). ✅ Perfect for NEET 2026 aspirants revising Class 12 Physics, Chapter 3 (Current Electricity) ▶️ Full NEET PYQ Physics Playlist:    • NEET Physics Previous Year Questions (PYQ)...   (   • NEET Physics Previous Year Questions (PYQ)...  ) 📲 Join our Telegram for free notes & updates: [https://t.me/+KFLlsa9o0NI3NTRl] 🔔 Subscribe & turn on the bell so you never miss a new chapter. ━━━━━━━━━━━━ 📌 What you'll learn 0:00 – Introduction to Heating Effect, Power & Energy | NEET 2026 0:15 – Thermal Energy in Parallel Resistors 1:56 – Fuse and Circuit Protection Devices 2:23 – Heat Produced by Time-Varying Current 6:58 – Electric Power Transmission and Line Losses 8:56 – Effect of Voltage Change on Bulb Power 13:23 – Heating of Water Using Electric Appliances 15:42 – Fuse Wire Resistance and Power Rating 17:07 – Bulb Ratings at 220 V and 110 V 18:32 – Material and Properties of Fuse Wire 19:25 – Resistance and Power Rating of Bulbs 20:22 – Current and Temperature Rise in Conductors 22:22 – Power Consumption at Reduced Voltage 23:27 – Electrical Energy and kWh Conversion 24:19 – Heat Produced During Capacitor Discharge 25:55 – Resistance of an Electric Bulb 26:54 – Joule’s Law of Heating Problems 27:29 – Equivalent Resistance Combination (NEET 2025) ━━━━━━━━━━━━ 🧩 Problem Walkthrough — Quick Index ━━━━━━━━━━━━ 0:00 Introduction 0:15 Parallel Resistors & Heat 1:56 Fuse & Protection Devices 2:23 Variable Current Heating 6:58 Power Transmission Losses 8:56 Bulb Power vs Voltage 13:23 Electric Kettle Heating 15:42 Fuse Wire Resistance 25:55 Bulb Filament Resistance 26:54 Joule’s Heating Law 27:29 Equivalent Resistance 🏆 Exam: NEET UG (National Eligibility cum Entrance Test) #NEET2026 #NEETPhysics #currentelectricity #ElectricPower #JoulesLaw #FuseWire #PowerTransmission #EquivalentResistance #CapacitorDischarge #PhysicsPYQ #NEETPreparation #ScholarGrowIndia #PhysicsRevision