Important questions of ac class 12
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 Witryna66K views 2 years ago 12th Physics Important Questions for CBSE Board exams 2024. Alternating Current, Important Questions for Board Exams, NCERT Class 12 …
Important questions of ac class 12
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Witryna3 mar 2024 · Class 12 Physics Chapter 7 Important Extra Questions Alternating Current Alternating Current Important Extra Questions Very Short Answer Type … Witryna28 mar 2024 · Important Questions For Class 12 History With Answers: Kings and Chronicles. Question 1. “The granting of titles to the men of merit was an important aspect of Mughal polity”. Explain. (All India 2024) The granting of titles to men of merit was an important aspect of Mughal polity as: A man’s ascent in the court hierarchy …
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 … WitrynaImportant Questions for Class 12 Accountancy are prepared by the subject matter experts from the latest version of CBSE books. It is suggested for the students to …
Witryna1 dzień temu · CBSE German Class 12 Sample Paper Questions (2024-24): Download the sample papers, marking scheme, and other important resources for Class 12 CBSE 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 …
Witryna11 maj 2024 · Case Study Question for Class 12 Physics Chapter 7 Alternating Current Question 1: Read the para given below and answer the questions that follow: Resonant Series LCR Circuit. When the frequency of ac supply is such that the inductive reactance and capacitive reactance become equal, the impedance of the series LCR circuit is …
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. biopharma process systems linkedinWitryna13 kwi 2024 · Gujarat Board GSEB Class 11 Physics Important Questions Chapter 12 થરોડાયનેમિક્સ Important Questions and Answers. GSEB Class 11 Physics ... daintree lighting control installationWitryna2 dni temu · CBSE French Class 12 Sample Paper Questions (2024-24): Download the sample papers, marking scheme, and other important resources for Class 12 CBSE daintree motor homesWitryna1 dzień temu · CBSE Japanese Class 12 Sample Paper Questions (2024-24): Download the sample papers, marking scheme, and other important resources for … daintree localsWitrynaCBSE 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. … biopharma process systems winchesterWitryna16 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. biopharma processingWitrynaWorksheet 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. daintree night tours