AP EAMCET · PHYSICS · Alternating Current
A circuit containing inductance of \(\frac{1}{6 \pi} \mathrm{H}\) and a resistance of \(15 \Omega\) in series. If an \(A C\) voltage of \(100 \mathrm{~V}\) and \(60 \mathrm{~Hz}\) is applied to above circuit, then the current in the circuit and phase difference between voltage and current respectively are
- A \(4 \mathrm{~A}\) and \(\tan ^{-1}\left(\frac{4}{5}\right)\)
- B \(5.3 \mathrm{~A}\) and \(\tan ^{-1}\left(\frac{3}{4}\right)\)
- C \(4 \mathrm{~A}\) and \(\tan ^{-1}\left(\frac{4}{3}\right)\)
- D 5.3 \(\mathrm{A}\) and \(\tan ^{-1}\left(\frac{4}{3}\right)\)
Answer & Solution
Correct Answer
(C) \(4 \mathrm{~A}\) and \(\tan ^{-1}\left(\frac{4}{3}\right)\)
Step-by-step Solution
Detailed explanation
Circuit given is, Inductive reactance of circuit, \[ \begin{aligned} & X_L=L \omega=L .2 \pi f \\ \Rightarrow \quad & X_L=\frac{1}{6 \pi} \times 2 \pi \times 60 \Rightarrow X_L=20 \Omega . \end{aligned} \] Impedence of circuit,…
See the Complete Solution
Get step-by-step explanations for this and 2.5 Lakh+ more JEE, NEET & CET questions.
- Unlock all solutions
- Practice the full chapter
- Track accuracy across PYQs
4.8 rated on Google Play · 14,000+ reviews
More questions from PHYSICS
- Tyre of a bicycle has volume . Initially the tube is filled of its volume by air at atmospheric pressure . When a rider is on the bicycle, the area of contact of tyre with road is . The mass of rider with bicycle is . If a pump delivers a volume of air in each stroke then the number of strokes required to inflate the tyre isAP EAMCET 2018 Hard
- A steel wire of length \(1.25 \mathrm{~m}\) is stretched between two rigid supports. The tension in the wire produces an elastic strain of \(0.14 \%\). The fundamental frequency of the wire is (Density and Young's modulus of steel are \(7.7 \times 10^3 \mathrm{kgm}^{-3}\) and \(2.2 \times 10^{11} \mathrm{Nm}^{-2}\) respectively)AP EAMCET 2022 Medium
- What is the phase difference between the flux linked with a coil rotating in a magnetic field and the induced emf produced in it?AP EAMCET 2020 Easy
- Photons of wavelength \(\lambda\) emitted by a source of power \(P\) incident on a photo cell. If the current produced in the cell is \(I\), then the percentage of incident photons which produce current in the photo cell is. (where, \(h\) is Planck's constant and \(c\) is the speed of light in vacuum)AP EAMCET 2018 Hard
- In a Carnot's engine if the temperatures of the source and the sink are decreased by \(100 \mathrm{~K}\) each then the efficiency of the engineAP EAMCET 2023 Medium
- Block \(A\) of mass \(100 \mathrm{~kg}\) is kept above another block \(B\) of mass \(300 \mathrm{~kg}\). \(A\) is tied to the wall \(C\) with a horizontal string. The coefficient of friction between \(A\) and \(B\) is 0.35 and that between \(B\) and the horizontal surface is 0.5 . Find the horizontal force \(p\), necessary to move the block \(B\).
AP EAMCET 2021 Hard
More PYQs from AP EAMCET
- Magnetic field at a distance of r from z axis is \(\mathrm{B}_0 r t \hat{k}\) present in the region. ' \(\mathrm{B}_0\) ', is constant and ' t ' is time. The magnitude of induced electric field at a distance of \(r\) from z -axis isAP EAMCET 2024 Medium
-
List - I (Hormones) List - II (Functions) Glucocorticoids In the control of menstrual cycle Mineralocorticoids Prepares the uterus for implantation of fertilised egg Progesterone Control the level of excretion of water and salt by the kidneys Estradiol Control the carbohydrate metabolism AP EAMCET 2025 Easy - If \(x=\alpha, y=\beta, z=\gamma\) is the solution, for the system of equations
\(\begin{aligned}
2 x-y+8 z & =13 \\
3 x+4 y+5 z & =18 \\
5 x-2 y+7 z & =20
\end{aligned}\)
then \(\alpha \beta+\beta \gamma+\gamma \alpha=\)AP EAMCET 2019 Medium - Observe the following
\(\mathrm{P}_4+\mathrm{SOCl}_2 \longrightarrow\) Products
\(\mathrm{P}_4+\mathrm{SO}_2 \mathrm{Cl}_2 \longrightarrow\) Products
In both the reactions, a common product ' \(x\) ' is obtained. The number of lone pair of elecrons on the central atom of \(x\) isAP EAMCET 2025 Medium - \(\int \frac{x+1}{x^3-1} d x=\)AP EAMCET 2025 Medium
- AP EAMCET 2020 Medium