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Short Questions
Complete set of short questions with exact exam-ready answers. Covers electromagnetic induction, Faraday's law, Lenz's law, A.C. generators, transformers, and EM waves.
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Exercise Short Questions
Exercise-specific short questions with precise answers. Includes Lenz's law, slip rings in A.C. generators, transformers, and sky colour phenomena.
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Long Questions
In-depth long questions with detailed explanations. Lenz's law and conservation of energy, step-up vs step-down transformers, scattering of light, CRO, and electron deflection.
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Numerical Problems
Step-by-step solutions for induced e.m.f., transformers, and power loss. Complete with data, formulas, and answers for exam practice.
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Constructed Response
Exam-focused constructed response questions with reasoning. Speed effect on induced e.m.f., iron core in transformers, photons and solar sails, and A.C. vs D.C.
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Multiple Choice Questions
Comprehensive MCQs covering electromagnetic induction, Faraday's law, Lenz's law, A.C. generators, transformers, EM waves, and scattering of light with explanations.
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⚡ Key Formulas – Electromagnetic Induction
\[ \epsilon = -N \frac{\Delta \phi}{\Delta t} \]
Faraday's Law (Induced e.m.f.)
Faraday's Law (Induced e.m.f.)
\[ \phi = BA \cos \theta \]
Magnetic Flux
Magnetic Flux
\[ \frac{V_s}{V_p} = \frac{N_s}{N_p} \]
Transformer Turns Ratio
Transformer Turns Ratio
\[ P = I^2 R \]
Power Loss in Cables
Power Loss in Cables
\[ \epsilon = -N \frac{(\phi_2 - \phi_1)}{\Delta t} \]
Average Induced e.m.f.
Average Induced e.m.f.
\[ 1 Wb = 1 T m^2 \]
Weber (Unit of Flux)
Weber (Unit of Flux)
Unit 10Thermal Physics
Unit 11Transfer of Thermal Energy
Unit 12Waves
Unit 13Sound
Unit 14Light
Unit 15Electrostatics
Unit 16Electricity
Unit 17Electromagnetism
Unit 18✨ Electromagnetic Induction & EM Waves
Unit 19Electronics
Unit 20Atomic and Nuclear Physics
Unit 21Space and Environment
📖 Complete syllabus coverage for Class 10 Physics (PECTAA 2026) – Units 10 to 21
Created by Hira Science Academy | Aligned with PECTAA 2026 Syllabus