Electricity
Electric current, potential difference, Ohm's law, resistance, series/parallel circuits and power dissipation.
Test yourself on Electricity
5 practice questions for NSEJS with instant answers — no signup, ~3 minutes.
Study notes are still being prepared.
Don't wait — Shishya can teach you this topic right now, on demand.
Ask Shishya to teach this →Need more? Ask Shishya
Shishya is your personal tutor for this topic. Pick a starter or open a free chat.
- Go deeper on this topicGo deeper on Electricity for NSEJS — examples and edge cases I should know.
- Show me exam shortcutsGive me 3 fastest shortcuts to solve Electricity questions in the exam.
- What mistakes should I avoid?What are the most common mistakes students make on Electricity? How do I avoid them?
- Quiz me adaptivelyQuiz me on Electricity — start with one easy question, then go harder based on how I answer.
Practice this topic
Take a full mock →Q1 · Electricity · HARD
Three resistors of 2Ω, 3Ω, and 6Ω are connected in parallel across a 12V battery. What is the total current drawn from the battery?
Q2 · Electricity · MEDIUM
A heating coil has a resistance of 50 Ω. If it draws a current of 4 A, what is the power consumed by the coil?
Q3 · Electricity · EASY
A wire carries a current of 2 A when connected to a 10 V battery. What is the resistance of the wire?
Q4 · Electricity · EASY
If 600 C of charge flows through a conductor in 2 minutes, what is the current flowing through it?
Q5 · Electricity · MEDIUM
Two resistors of 4 Ω and 6 Ω are connected in series across a 20 V battery. What is the current flowing through the circuit?