Question
Consider the conducting square loop shown in figure. If the switch is closed and after some time it is opened again, then the square loop will show
✓
Answer
Apply Lenz’s law
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
In a biprism experiment using sodium light $\lambda = 6000\, Å$ an interference pattern is obtained in which $20$ fringes occupy $2\, cm$. On replacing sodium light by another source of wavelength $\lambda_2$ without making any other change $30$ fringes occupy $2.7\, cm$ on the screen. What is the value of $\lambda_2$?.......$\mathop A\limits^o $
→The work function of a surface of a photosensitive material is $6.2\,\, eV.$ The wavelength of the incident radiation for which the stopping potential is $5\,\, V$ lies in the
→Two incident monochromatic waves whose wavelengths differ by a small amount $d\lambda$ are separated angularly at $\theta$ and $\theta + d\theta$ $w.r.t$. the incidence ray. The dispersive power is given by
→A particle is revolving in a circle of radius $2\ m$ with angular velocity $\omega = t^2 -4t + 8\ rad/s$ . The time when speed of the particle becomes $8\ m/s$ is ......... $\sec$
→In an ideal transformer, the turns ratio is $\frac{N_p}{N_S}=\frac{1}{2}$. The ratio $V_s: V_p$ is equal to (the symbols carry their usual meaning):
→A loop $ABCDEFA$ of straight edges has six corner points $\mathrm{A}(0,0,0), \mathrm{B}(5,0,0),$$\mathrm{C}(5,5,0) ,\mathrm{D}(0,5,0), \mathrm{E}(0,5,5)$ and $\mathrm{F}(0,0,5) .$ The magnetic field in this region is $\overrightarrow{\mathrm{B}}=(3 \hat{\mathrm{i}}+4 \hat{\mathrm{k}}) \;\mathrm{T}$. The quantity of flux through the loop $\mathrm{ABCDEFA}(\text { in Wb })$ is
→If an electron is going in the direction of magnetic field $\overrightarrow B $ with the velocity of $\overrightarrow {v\,} $ then the force on electron is
→Two points separated by $0.05 \,mm$ can just be inspected in a microscope when light of wavelength $6000 \,\mathring A$ is used. If light of wavelength $3000 \,\mathring A$ is used then the limit of resolution becomes ........... $mm$
→In a communication system, noise is most likely to affect the signal
An ac source is connected in given series $LCR$ circuit. The rms potential difference across the capacitor of $20 \mu \mathrm{F}$ is_________.$v$.
→$\mathrm{V}=50 \sqrt{2} \sin 100 \mathrm{t}$ volt