Question:
Eddy currents are produced when
Eddy currents are produced when
Show Hint
To minimize eddy currents in applications like transformers, laminated steel cores are used which interrupt the paths of the eddy currents and reduce their effects.
Updated On: Mar 18, 2026
- Large piece of conductors are placed in changing magnetic flux
- Large piece of conductors are placed in constant magnetic flux
- A circular coil is placed in a magnetic field
- Current should be passed through circular coil
Show Solution
Verified By Collegedunia
The Correct Option is A
Solution and Explanation
Understand the production of eddy currents.
Eddy currents are loops of electric current induced within conductors by a changing magnetic field in the conductor. This occurs via electromagnetic induction.
Was this answer helpful?
0
0
Top AP EAMCET Physics Questions
- If only $\frac{1}{51}^{th}$ ot the main current is to be passed through a galvanometer then the shunt required is $R_1$ and if only $\frac{1}{11}^{th}$ of the main voltage is to be developed across the galvanometer, then the resistance required is $R_2$. Then $\frac{R_2}{R_1} =$
In the given circuit, the electric currents through $15\, \Omega$ and $6 \, \Omega$ respectively are
- In a nuclear reactor the activity of a radioactive substance is $2000 / s$. If the mean life of the products is $50$ minutes, then in the steady power generation, the number of radio nuclides is
- In a $p$ - type semiconductor the donor level is at $50 \,meV$ above the valence band. To produce one electron, the maximum wavelength of light photon required is (Planck's constant, $h=6.6 \times 10^{-34} \,Js$ and speed of light in vacuum, $c=3 \times 10^{8} \,ms ^{-1}$ )
- Potential energy of a body of mass $1\, kg$ free to move along X-axis is given by $U(x) = \left( \frac{x^2}{2} - x \right) J .$ If the total mechanical energy of the body is $2\, J$. then the maximum speed of the body is (Assume only conservative force acts on the body)
View More Questions
Top AP EAMCET Electromagnetic waves Questions
The frequency of the television broadcasting is?
- For plane electromagnetic waves propagating in the positive Z-direction, the combination which gives the correct possible direction for \( E \) and \( B \) fields respectively is:
As shown in the figure, a surface encloses an electric dipole with charges \( \pm6 \times 10^{-6} \, {C} \). The total electric flux through the closed surface is:
- A very long straight conductor is carrying a steady current of \(2.2 \, {A}\). The conductor is placed on a horizontal table such that the current in the conductor is from south to north. If the horizontal component of the earth's magnetic field at the place is \(3.2 \times 10^{-5} \, {T}\), the force per unit length on the conductor is:
- The angle of dip at a place where the vertical and horizontal components of earth's magnetic field become equal is:
View More Questions
Top AP EAMCET Questions
- If $\int \cos x . \cos 2x . \cos 5x dx = A \; \sin 2x + B \sin 4x + C \sin 6x + D \sin 8x + k $ (where $k$ is the arbitrary constant of integration), then $\frac{1}{B} + \frac{1}{C} = $
- If $k$ is one of the roots of the equation $x^2 - 25x + 24 = 0 $ such that $A = \begin{bmatrix}1&2&1\\ 3&2&3\\ 1&1&k\end{bmatrix} $ is a non-singular matrix, then $A^{-1}$ =
- If only $\frac{1}{51}^{th}$ ot the main current is to be passed through a galvanometer then the shunt required is $R_1$ and if only $\frac{1}{11}^{th}$ of the main voltage is to be developed across the galvanometer, then the resistance required is $R_2$. Then $\frac{R_2}{R_1} =$
- If $p$ and $q$ are respectively the global maximum and global minimum of the function $f(x) = x^2 e^{2x}$ on the interval $[-2, 2]$ , then $pe^{-4} + qe^4 = $
- If $\displaystyle\sum^n_{k - 1} \tan^{-1} \left( \frac{1}{k^2 + k + 1} \right) = \tan^{-1} (\theta) $ , then $\theta$ =
View More Questions