AP EAMCET · PHYSICS · Electromagnetic Induction
A solenoid has the length \(1 \mathrm{~m}\) and the area of cross-section \(0.02 \mathrm{~m}^2\). If number of turns in the solenoid is \(\mathbf{5 0 0 0}\) then the self inductance of the solenoid is
- A \(0.2 \pi\) henry
- B \(0.4 \pi\) henry
- C \(0.02 \pi\) henry
- D \(0.04 \pi\) henry
Answer & Solution
Correct Answer
(A) \(0.2 \pi\) henry
Step-by-step Solution
Detailed explanation
For a solenoid, coefficient of self induction is given by \(L=\frac{\mu_0 N^2 A}{l}\) Here, Number of turns, \(N=5000\), length., \(l=1 \mathrm{~m}\), Area, \(A=0.02 \mathrm{~m}^2\) Also \(\mu_0=4 \pi \times 10^{-7} \mathrm{Tm} / \mathrm{A}\) So, self inductance of solenoid is…
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
- When a coil is connected to AC supply of frequency \(50 \mathrm{~Hz}\), a current of \(4 \mathrm{~A}\) flows in it and it consumes \(240 \mathrm{~W}\) power. If the potential difference across the coil is \(100 \mathrm{~V}\), then the inductance value of the coil isAP EAMCET 2017 Medium
- A bullet of mass \(10 \mathrm{~g}\) pierces through a plate \(A\) of mass \(500 \mathrm{~g}\) and then gets embedded into a second plate \(B\) of mass \(1.49 \mathrm{~kg}\) as shown in the figure. Initially, the two plates \(A\) and \(B\) are at rest and move with same velocity after collision. The percentage loss in the initial kinetic energy of the bullet, when it is between the plates \(A\) and \(B\) is _______
(Neglect any loss of material of the plates during the collision)
[QUESTION]
AP EAMCET 2018 Hard - The temperature of the system decreases in the process ofAP EAMCET 2007 Easy
- A block \((P)\) is rotating in contact with the vertical wall of a rotor as shown in figures \(\mathrm{A}, \mathrm{B}, \mathrm{C}\). The relation between angular velocities \(\omega_A, \omega_B\) and \(\omega_C\) so that block does not slide down.
\(\left(R_A \lt R_B \lt R_C \text { radii }\right)\)
AP EAMCET 2024 Easy - The work done in moving an object from origin to a point whose position vector is \(\mathbf{r}=3 \hat{\mathbf{i}}+2 \hat{\mathbf{j}}-5 \hat{\mathbf{k}}\) by a force \(\mathbf{F}=2 \hat{\mathbf{i}}-\hat{\mathbf{j}}-\hat{\mathbf{k}}\) isAP EAMCET 2013 Easy
- A ball moving with velocity \(2 \mathrm{~m} / \mathrm{s}\) collides head on with another stationary ball of double the mass. If coefficient of restitution is 0.5 , then their velocities (in \(\mathrm{m} / \mathrm{s}\) ) after collision will be :AP EAMCET 2023 Medium
More PYQs from AP EAMCET
- If thenAP EAMCET 2018 Easy
- When the coordinate axes are rotated through an angle \(\frac{\pi}{4}\) in the positive direction, an equation is transformed to \(x^2+y^2-6 x+8 y+21=0\). Then that original equation isAP EAMCET 2017 Medium
- The surface tension and vapour pressure of a liquid at \(25^{\circ} \mathrm{C}\) are \(8 \times 10^{-2} \mathrm{Nm}^{-1}\) and \(2.5 \times 10^3 \mathrm{~Pa}\) respectively. The radius of the smallest spherical water droplet which can from without evaporating at \(25^{\circ} \mathrm{C}\) isAP EAMCET 2022 Hard
- If the curves \(\frac{x^2}{a^2}+\frac{y^2}{b^2}=1\) and \(\frac{x^2}{25}+\frac{y^2}{16}=1\) cut each other orthogonally, then \(a^2-b^2\) equals toAP EAMCET 2014 Medium
- Which of the following is not a disproportionation reaction?AP EAMCET 2022 Medium
- If \(\mathrm{m}, \mathrm{n}\) are respectively the least positive and greatest negative integer values of \(k\) such that \(\left(\frac{1-i}{1+i}\right)^k=-i\), then \(m-n=\)AP EAMCET 2024 Medium