AK4CLASSES ONLINE EDUCATION PLATFORM

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Hello students! This is Aman Kumar Agrawal and welcome to AK4CLASSES ONLINE EDUCATION PLATFORM. Through this channel, I am arranging all required study materials for Class 11th and 12th board exams to help you prepare better.

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Economics अभी जो भेजा गया है उसका answer खुद से कर लोगे या मैं करवा दूं?

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Economics (English+Hindi medium) 👍👍

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JCERT Ranchi economics Class 12.pdf4.81 KB

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Q1. Lenz's law is associated with law of conservation of a) charge b)mass c) energy d) length Q2. What is unit of self induction? a) Henry b) Weber c)Ohm d) Newton Q3. The magnetic flux (∅) linked with a coil is related to its area as:- a) ∅ ∝ A² b)∅∝A c) ∅ ∝ A³ d)∅∝A⁴ Q4. The electromagnetic induction , the induced charge is independent of:- a) change of flux b) time c) resistance of the coil d) None Q5.The cause of induced emf is:- a) magnetic field b) magnetic flux c) area d) change in magnetic flux Q6. Self induction is also known as inertia of a) magnetic field b) Electric flux c) electricity d) None Q7. Dynamo is based on the principle of:- a) self induction b) mutual induction c) Electromagnetic Induction d)none Q8. The role of inductance is equivalent to:- a) Inertia b) force c) energy d) Momentum Q9. The number of turns in a coil is doubled then its self inductance will be:- a) doubled b) half c) four times d) unchanged Q10. Transformer works on the principle of:- a) converter b) mutual induction c) self induction d) None Q11. In step up transformer the number of turns in the primary and secondary coils are respectively N₁ and N₂ are:- a) N₁>N₂ b) N₁<N₂ c) N₁=N₂ d) N₂=0 Q12. The unit of inductance is:- a) Newton b) Gauss c) Weber. d) Henry Q13. An inductor may store energy in its:- a) Electric flux b) coil c) magnetic field d) None Q14. The energy lost due to heat produced in the core of transformer is called____________. a) Iron loss b) Copper loss c) flux loss d) Hysteresis Q15. EMF stands for:- a) Electromagnetic flux b) Electromagnetic forward c) electromotive force d) None

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Important Physics Questions 👎👎👎 Do it..

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Model set answersheet Computer science 👈👈👈 click here Chemistry 👈👈👈 click here Maths 👈👈👈👈 click here Physics (set 1 , set 2 & set 3) 👈 click here Physics (set 4) 👈👈 click here Computer science previous years Questions paper (2021) Set 1 👈👈 click here Set 2 👈👈 click here Set 3 👈👈 click here English core 👈👈 click here Economics 👈👈 click here

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unit 5 pyq MCQs cms.pdf0.64 KB

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Next English core test Chapter 1. The Last Lesson Flamingo कल या परसों होगी youtube पर

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Aap logo m se kinhi ko koi doubt tha koi v question m to aap log jaldi se clear kar lijiye....

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VERMA Guess Paper HINDI ELECTIVE Class12 JAC Board.pdf13.38 MB

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Today test at 8pm(🔴Live/premiere) on YouTube Subject ~ Computer science Comment your score 👎👎👎👎👎👎👎👎👎👎👎 https://youtu.be/QQZIinYWMcc

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Economics set 2 & set 3

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Live at 8pm 👍👍👍👍👍 Click here

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Video 8:00pm me upload hogi Channel ko subscribe kar dijiye https://youtube.com/channel/UC33tE55Ez0w4BZDPAsghJsw

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No test today

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English & Computer science test at 9:20 pm Join for test ︗︗︗︗︗︗︗︗ Join👉 @j12acboard ︘︘︘︘︘︘︘︘

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VERMA Guess Paper ECONOMICS Class12 JAC Board.pdf9.73 MB

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VERMA Guess Paper ENGLISH CORE Class12 JAC Board.pdf16.21 MB

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English core verma guess 👎👎