Witryna22 sty 2024 · Question 9. ‘Secondary activities add value to natural resources.’. Explain with two examples. Answer: Secondary activities add value to natural resources by transforming raw materials into more usable products. Most of the materials from the farm, forest, mine and the sea are transformed into valuable products. WitrynaAdvantages of alternating current (AC) over direct current (DC) : (1) : AC is easy and cheaper to generate than DC. (2) : AC can be transferred to long distance as compared to DC. (3) : Power loss in AC is less as compared to DC during transmission. (4 ) : AC can be easily converted into DC. Solve any question of Alternating Current with:-.
Important Questions for CBSE Class 12 Physics AC Currents
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. Witryna13 lut 2024 · Important Short Questions With Answers – DC Circuit (Direct Current) Class 12 Physics. February 13, 2024 March 24, 2024 / DC Circuit / By Ajay Jha. Q. A wire is stretched to double its length. ... 1 thought on “Important Short Questions With Answers – DC Circuit (Direct Current) Class 12 Physics” uzwal. December 20, 2024 … diamond knuckle ring
CBSE Class 12 Japanese sample paper 2024: Japanese Class 12 …
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 … 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 … WitrynaThe NCERT Solutions for Class 12 Physics Chapter 7 Alternating Current is provided here to assist the students in understanding the concepts thoroughly. Chapter 7 of NCERT Solutions for Class 12 Physics give answers to the questions asked in the textbook comprehensively. These solutions are prepared by individual subject-matter … diamond knuck if you buck