Maharashtra HSC Class 12 (Science) Electromagnetic Induction — practice questions
10 free MCQs with worked solutions. Tap any question for the answer + explanation, or practice them all in the app.
Practice Maharashtra HSC Class 12 (Science) Electromagnetic Induction in the app →Faraday's first law of electromagnetic induction says that an emf is induced wheneverAccording to Lenz's law, the induced current opposesIf flux through a 100-turn coil changes from 0.01 Wb to 0.05 Wb in 0.02 s, the average induced emf isSelf-inductance of a coil depends onEnergy stored in an inductor of inductance L carrying current I isA square loop of side 0.1 m moves with velocity 2 m/s perpendicular to a uniform field B = 0.5 T. The induced In an ideal transformer, the ratio of primary voltage to secondary voltage equals the ratio ofMutual inductance between two coils depends onEddy currents are induced inA 0.2 H inductor carries current that rises uniformly from 0 to 4 A in 0.1 s. The induced emf across it is