Important questions of ac class 12
WitrynaBalbharati solutions for Physics 12th Standard HSC Maharashtra State Board chapter 13 (AC Circuits) include all questions with solution and detail explanation. This will clear students doubts about any question and improve application skills while preparing for board exams. The detailed, step-by-step solutions will help you … Witryna5 gru 2015 · 1 Mark Questions. 1.The electric current flowing in a wire in the direction from B to A Find out the direction of the induced current in the metallic loop kept the wire as shown in the figure. Ans .According to Lenz’s law, the direction of induced current will oppose the cause of its production.
Important questions of ac class 12
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WitrynaTo Find the Frequency of the AC Mains with a Sonometer - Physics Practical Class 12 Viva Questions with Answers What is a sonometer? Answer: A sonometer is a device to showcase the relationship between the frequency of the sound produced by the string when it is plucked and the length, tension, and mass per unit length of the string. WitrynaPrefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Audio/Video/Text Solutions via Telegram Bot. NEET MCQ Books for XI th & XII th …
Witryna16 lip 2024 · 240 V ac means it is the RMS value of ac voltage. The amplitude of this voltage VM = 240√2 = 340 volt. Power consumed in a circuit is never negative. The constant value of dc which produces the same heat through a resistive element, due to the alternating current, is known as the root mean square value of ac. Witryna7 kwi 2024 · Download the free PDF of JEE Main Electromagnetic Induction and Alternating Currents Important Questions Physics from the link given below. In this article, we have mainly focussed on providing important questions and solutions of the chapter ‘Electromagnetic Induction and Alternating Currents’. The students are …
Witryna3 paź 2024 · Answer: (c) Q.4. According to Faraday’s law of electromagnetic induction. (a) electric field is produced by time varying magnetic flux. (b) magnetic field is produced by time varying electric flux. (c) magnetic field is … Witryna10 kwi 2024 · CBSE Class 10th and 12th assessment scheme for board exam 2024 has been changed. Weightage of MCQs and Competency Based Questions is increased …
1.Why is the use of AC voltage preferred over DC voltage? Give two reasons. [All India 2014] Ans.The use of AC voltage is preferred over DC voltage because of (i) the loss of energy in transmitting the AC voltage over long distances with the help of step-up transformers is negligible as compared to … Zobacz więcej 10.A light bulb is rated 150 W for 220 V AC supply of 60 Hz. Calculate 1. the resistance of the bulb 2. the rms current through the … Zobacz więcej 13. (i) When an AC source is connected to an ideal capacitor, then show that the average power supplied by the source over a complete cycle is zero. (ii) A lamp is connected in … Zobacz więcej
WitrynaThe best solution of the problem is to practice as many Physics Class 12 Chapter 7 Important Questions as possible to clear the doubts. ... If an AC is flown through the primary coil of transformer, magnetic field … ready to run dixie chicks lyricsWitrynaCBSE Important Questions for class 12 Biology; CBSE Important Questions for class 12 Maths; CBSE Important Questions for class 11. ... Important Questions. 1. A 5000 V, 70 Hz ac supply s connected to a 500 Ω resistor. … how to take off a shirtWitrynaGet answers to the most common queries related to the CBSE Class 12 Examination Preparation. What will happen if you mix AC and DC Current? Why is DC not used in … ready to rumble posterWitrynaWorksheet for Class 12 Physics EMI And AC. Class 12 Physics students should refer to the following printable worksheet in Pdf for EMI And AC in standard 12. This test paper with questions and answers for Grade 12 Physics will be very useful for exams and help you to score good marks. ready to run christian songWitrynaAlternating Current Important Questions are given in this article. The chapter Alternating Current has a weightage of 4 to 5 marks in the CBSE Class 12 Examination … how to take off a sliding doorWitryna6 kwi 2024 · The CBSE Important Questions for Class 12 solutions in free PDF download at Vedantu includes chapterwise solutions for Science (Physics, Chemistry, … how to take off a tight ringWitryna10 kwi 2024 · Important questions for Class 12 Physics Chapter 7 are available on this page in a downloadable PDF format. The students can practice these important questions to gain more knowledge and clarify every concept. Practising important questions for Class 12 Physics Chapter 7 helps students score good marks in the … how to take off a zip tie