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![If a cell of e.m.f. 1.5V is applied to a resistance R=4 Omega and a reactance of 3 Omega. What is the power factor of the a.c. circuit? If a cell of e.m.f. 1.5V is applied to a resistance R=4 Omega and a reactance of 3 Omega. What is the power factor of the a.c. circuit?](https://d10lpgp6xz60nq.cloudfront.net/physics_images/MRV_PHY_MCQ_XII_C16_E01_200_S01.png)
If a cell of e.m.f. 1.5V is applied to a resistance R=4 Omega and a reactance of 3 Omega. What is the power factor of the a.c. circuit?
![Identify the graph which correctly represents the variation of capacitive resistance XC with frequency. Identify the graph which correctly represents the variation of capacitive resistance XC with frequency.](https://df0b18phdhzpx.cloudfront.net/ckeditor_assets/pictures/1286504/original_6B.png)
Identify the graph which correctly represents the variation of capacitive resistance XC with frequency.
![A device Y is connected across an AC source of emf e = e0 sin ωt. The current through Y is given as i = i0 sin (ωt + π/2). - Physics | Shaalaa.com A device Y is connected across an AC source of emf e = e0 sin ωt. The current through Y is given as i = i0 sin (ωt + π/2). - Physics | Shaalaa.com](https://www.shaalaa.com/images/_4:d3238c590bd649d0a2fd48d804d3a083.png)