AP EAMCET · PHYSICS · Electromagnetic Induction
A conducting rod \(P Q\) of length \(1 \mathrm{~m}\) is moving with a uniform speed \(2 \mathrm{~ms}^{-1}\) in a uniform magnetic field of \(4 \mathrm{~T}\) which is directed into the paper. A capacitor of capacity \(10 \mu \mathrm{F}\) is connected as shown in the figure. Then, the charge on the plates of the capacitor are
- A \(q_A=+80 \mu \mathrm{C}, q_B=-80 \mu \mathrm{C}\)
- B \(q_A=-80 \mu \mathrm{C}, q_B=+80 \mu \mathrm{C}\)
- C \(q_A=+1.25 \mu \mathrm{C}, q_B=1.25 \mu \mathrm{C}\)
- D \(q_A=-1.25 \mu \mathrm{C}, q_B=+1.25 \mu \mathrm{C}\)
Answer & Solution
Correct Answer
(A) \(q_A=+80 \mu \mathrm{C}, q_B=-80 \mu \mathrm{C}\)
Step-by-step Solution
Detailed explanation
Charge on each plate should be \[ \begin{aligned} & q=C V \\ & V=v B l \\ & q=C(v B l) \\ & =10 \times 10^{-6} \times 2 \times 4 \times 1 \\ & q=80 \mu \mathrm{C} \\ & \end{aligned} \] where, So, charges on plates are \(\pm 80 \mu \mathrm{C}\).
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
- If the bonding energy of the electron in a hydrogen atom is 13.6 eV , then energy required to remove electron from first excited state of \(\mathrm{Li}^{2+}\) isAP EAMCET 2024 Easy
- The capacitance of a spherical condenser is \(1 \mu \mathrm{F}\). If the spacing between the two spheres is \(1 \mathrm{~mm}\), the radius of the outer sphere isAP EAMCET 2020 Easy
- The average power generated by a 90 kg mountain climber who climbs a summit of height 600 m in 90 minutes is \(\left(\right.\) Acceleration due to gravity \(\left.=10 \mathrm{~ms}^{-2}\right)\).AP EAMCET 2024 Easy
- A particle is moving along a horizontal circle of radius ' \(r\) ' under a centripetal force \(\frac{-c}{r^2}\) where ' \(c\) ' is a constant. Then, the total energy of the particle isAP EAMCET 2017 Easy
- An object is fixed at the bottom of a vessel and water is filled in the vessel upto a height of \(10 \mathrm{~cm}\). A plane mirror is placed at a height of \(7 \mathrm{~cm}\) from the surface of water in such a way that its reflecting surface faces the water. The distance of the image from the mirror is (Refractive index of water, \(n=1.33\) )AP EAMCET 2019 Hard
- The maximum tension a rope can withstand is \(60 \mathrm{~kg}\)-wt. The ratio of maximum acceleration with which two boys of masses \(20 \mathrm{~kg}\) and \(30 \mathrm{~kg}\) can climb up the rope at the same time isAP EAMCET 2011 Hard
More PYQs from AP EAMCET
- If the position vectors of the vertices \(A, B, C\) of a triangle are \(3 \bar{i}+4 \bar{j}-\bar{k}\), \(\overline{\mathrm{i}}+3 \overline{\mathrm{j}}+\overline{\mathrm{k}}, 5(\overline{\mathrm{i}}+\overline{\mathrm{j}}+\overline{\mathrm{k}})\) respectively, then the magnitude of the altitude drawn from \(A\) on to the side \(B C\) isAP EAMCET 2025 Medium
- If the circle \(x^2+y^2+6 x-2 y+k=0\) bisects the circumference of the circle \(x^2+y^2+2 x-6 y-15=0\), then ' \(k\) ' is equal toAP EAMCET 2020 Medium
- The number of ways of arranging 2 red. 3 white and 5 yellow roses of different sizes into a garland such that no two yellow roses come together isAP EAMCET 2024 Easy
- Let \(\overline{O A}=-4 \bar{i}+3 \bar{k}, \overline{O B}=14 \bar{i}+2 \bar{j}-5 \bar{k} \cdot \overline{O D}\) bisects \(\angle A O B\) and \(|\overline{O D}|=\sqrt{6}\), then \(\overline{O D}=\)AP EAMCET 2022 Easy
- The slopes of the focal chords of the parabola \(y^2=32 x\), which are tangents to the circle \(x^2+y^2=4\), areAP EAMCET 2014 Hard
- Which of the following is not explained by hyperconjugation?AP EAMCET 2021 Easy