MCQ
The distance between the nearest node and antinode in a stationary wave is
- A$\lambda$
- B$\frac{\lambda }{2}$
- ✓$\frac{\lambda }{4}$
- D$2\lambda$

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Then, the value of $|x|$ is ...... .
$(i)$ acceleration of the centre of mass of ring is $\frac{g}{3}$
$(ii)$ acceleration of the hanging particle is $\frac{2g}{3}$
$(iii)$ frictional force (on the ring) acts along forward direction
$(iv)$ frictional force (on the ring) acts along backward direction
Reason : If the wires are not twisted together, the combination of the wires forms a current loop, the magnetic field generated by the loop might affect adjacent circuits or components.