AP EAMCET · PHYSICS · Alternating Current
In a series \(L-C\) - \(R\) circuit, the inductive reactance is twice the resistance and the capacitive reactance is \(1 / 3\) rd of the inductive reactance. The power factor of the circuit is
- A 1.5
- B 1.15
- C 0.6
- D 0.5
Answer & Solution
Correct Answer
(C) 0.6
Step-by-step Solution
Detailed explanation
In \(L-C-R\) circuit, \(X_L=2 R \text { and } X_C=\frac{X_L}{3}\) Impedance of \(L-C-R\) circuit is given as…
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
- The electric field ( \(\overrightarrow{\mathrm{E}}\) in \(\mathrm{NC}^{-1}\) ) in a region is given by \(\overrightarrow{\mathrm{E}}=3 \hat{\mathrm{i}}+5 \tilde{\mathrm{i}}\). The net electric flux through a square area of side \(2 \mathrm{~m}\) parallel to \(\mathrm{y}-\mathrm{z}\) plane isAP EAMCET 2023 Easy
- An earthquake generates both transverse \(S\) and longitudinal \(P\) waves in the earth with speeds \(4.5 \mathrm{~km} \mathrm{~s}^{-1}\) and \(8.0 \mathrm{~km} \mathrm{~s}^{-1}\), respectively. A seismograph records that the first \(P\)-wave arrives 3.5 minutes earlier than the first S-wave. From the seismograph, the epicentre of the earthquake is located at a distance.AP EAMCET 2019 Hard
- An alternating current is given by \(\mathrm{i}=(3 \sin \omega t+4 \cos \omega t)\)
A. The \(r m s\) current will beAP EAMCET 2024 Easy - The electric current \(i\) in the circuit shown is
AP EAMCET 2011 Easy - A charged bead is sliding freely through a string held vertically under tension. An electric field is applied parallel to the string so that the bead stays at rest at the middle of the string. If the electric field is switched off momentarily and switched on again, thenAP EAMCET 2017 Medium
- Two charged particles of each of mass \(3 \mathrm{~g}\) and charge \(0.2 \mu \mathrm{C}\) stay in (vacuum) equilibrium on a horizontal surface with a separation of \(20 \mathrm{~cm}\). The coefficient of friction is
\(\left[\frac{1}{4 \pi \epsilon_0}=9 \times 10^9 \mathrm{Nm}^2 \mathrm{C}^{-2}\right]\left(\mathrm{g}=10 \mathrm{~ms}^{-2}\right)\)AP EAMCET 2017 Easy
More PYQs from AP EAMCET
- If \(f(x)=\log _{x^2}(\log x)\), then \(f^{\prime}(x)\) at \(x=e\) isAP EAMCET 2021 Hard
- If the circles \(x^2+y^2+2 \lambda x+2=0\) and \(x^2+y^2+4 y+2=0\) touch each other, then \(\lambda=\)AP EAMCET 2019 Easy
- The equation of pair of straight lines parallel to \(X\)-axis and touching the circle \(x^2+y^2-6 x-4 y-12=0\)AP EAMCET 2020 Medium
- The compound that is used in smoke screens isAP EAMCET 2022 Medium
- The equation of the parabola with the focus \((3,0)\) and the directrix \(x+3=0\), is.AP EAMCET 2002 Easy
- The number of solutions of the equation \(4 \cos 2 \theta \cos 3 \theta=\sec \theta\) in the interval \([0,2 \pi]\) isAP EAMCET 2025 Medium