Electricity Numericals | FINAL Revision Strategy 🔥 | Class 10 Board Exam 2026 | PYQs Complete

⚡ Class 10 Science – Electric Current / Electricity (Chapter 1)
📘 Most Previous-Year Questions (PYQs) | Board Exams 2026

CBSE • State Boards | Zero to Hero Series

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In this video, we cover Class 10 Science – Electricity (Electric Current) with a Zero to Hero approach, focusing on most repeated PYQs and important question types for CBSE & State Board Examinations 2026.*Class 10 Science – Electric Current / Electricity (CBSE & State Boards 2026)
Most previous-year questions (PYQs) + important question types you should practice for board exams:
🔌 1. Core PYQs from Electric Current / Electricity

These questions have actually appeared in past CBSE board papers and similar board patterns:
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+1

📌 Short & Definitions

Define electric current.

What is the SI unit of current? Define 1 ampere.
– “One ampere is the flow of one coulomb of charge per second.”
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Direction of conventional current vs electron flow.

Instrument used to measure current and how it’s connected.
CBSE Labs

📌 Numerical / Calculation PYQs

A current of 10 A flows for 2 minutes.
– Calculate charge passed and number of electrons (use charge of electron =
1.6
×
10
−
19
𝐶
1.6×10
−19
C).
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A steady current of 1 A flows through a conductor. Calculate
– total charge in 1 s & number of electrons.
CBSE Labs

Two bulbs (100 W and 40 W) in series.
– Find the current through each if one has 1 A.
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📌 Conceptual PYQs

How does resistance change if
– length doubles but area same,
– material changes?
CBSE Labs

Ohm’s Law: Relation between V, I, R.
CBSE 360

Draw symbols of basic electric components (cell, key, wire crossing).
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Why are fuses used in circuits?

Series vs parallel connection differences.
Evidyarthi

📊 2. Most Repeated Question Types

These tend to appear often in board exams:
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Explain Ohm’s law with a simple circuit diagram.

Give conditions for Ohmic & non-Ohmic conductors.

Difference Between Current & Charge.

Effects of electric current (heating, magnetic).

Calculate Power (P = VI,
Practical circuit problems (Ammeter/Voltmeter connections).
Evidyarthi
📘 3. Practice Important Numerical Forms

These are classic numerical formats that often recur:

✔ Convert current → total charge:
Q=I×t
(Use these in typical board numeric questions.)


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🔥 What you will learn in this video:

✅ Electric current – definition & SI unit
✅ Conventional current vs electron flow
✅ Ohm’s Law with explanation & numericals
✅ Resistance & factors affecting resistance
✅ Electric power – formulas & numericals
✅ Series & parallel circuits (board-level)
✅ Most repeated PYQs asked in board exams
✅ Important numerical patterns for 2026 exams

🎯 Best for:

📌 CBSE Class 10 Board Exam 2026
📌 State Board Class 10 students
📌 Last-minute revision
📌 Concept clarity + PYQ practice

📚 Recommended for:

✔ NCERT-based preparation
✔ Board-exam writing practice
✔ Students aiming 95%+ marks
✔ Zero to Hero learners

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