Doubts
Sign in
12thPass logo
New chatPYQ LibraryDoubtsRank report
Sign in to see Recents
Sign in to save progress →
Doubts
Sign in

Electromagnetic Induction question

2021 · 27 Jul · Shift 2 · Q65
Guest · try one question or challengeGuest · try one question or challenge
  1. PYQ Library
  2. /JEE Main
  3. /Physics
  4. /Electromagnetic Induction
  5. /2021 · 27 Jul · Shift 2 · Q65

Electromagnetic Induction question

2021 · 27 Jul · Shift 2 · Q65

JEE MainPhysicsElectromagnetic InductionNumerical+4 / −1
In the given figure the magnetic flux through the loop increases according to the relation ϕ\phiϕ B(t) = 10t2 + 20t, where ϕ\phiϕ B is in milliwebers and t is in seconds. The magnitude of current through R = 2 Ω\OmegaΩ resistor at t = 5 s is ‾\underline{\hspace{2cm}}​ mA. JEE Main 2021 (Online) 27th July Evening Shift Physics - Electromagnetic Induction Question 72 English
Numerical answer
PreviousNext

More from Electromagnetic Induction

  • A small square loop of side 'a' and one turn is placed inside a larger square loop of side b and one turn (b >> a). The two loops are coplanar with their centres coinciding. If a current I is passed in the square loop of side 'b',…2021 · MCQ
  • A coil is placed in a magnetic field B as shown below : A current is induced in the coil because B is : Includes diagram2021 · MCQ
  • A circular coil of radius 10 cm is placed in a uniform magnetic field of 3.0 × 10–5 T with its plane perpendicular to the field initially. It is rotated at constant angular speed about an axis along the diameter of coil and…2020 · Numerical
  • An elliptical loop having resistance R, of semi major axis a, and semi minor axis b is placed in magnetic field as shown in the figure. If the loop is rotated about the x-axis with angular frequency ω, the average power loss in the… Includes diagram2020 · MCQ
  • A uniform magnetic field B exists in a direction perpendicular to the plane of a square loop made of a metal wire. The wire has a diameter of 4 mm and a total length of 30 cm. The magnetic field changes with time at a steady rate dtdB​…2020 · MCQ
  • A small bar magnet is moved through a coil at constant speed from one end to the other. Which of the following series of observations will be seen on the galvanometer G attached across the coil? Three positions shown describe : (a) the… Includes diagram2020 · MCQ
  • Two concentric circular coils, C1 and C2 are placed in the XY plane. C1 has 500 turns, and a radius of 1 cm. C2 has 200 turns and radius of 20 cm. C2 carries a time dependent current I(t) = (5t2 – 2t + 3) A where t is in s. The emf induced…2020 · Numerical
  • An infinitely long, straight wire carrying current I, one side opened rectangular loop and a conductor C with a sliding connector are located in the same plane, as shown, in the figure. The connector has length l and resistance R. It… Includes diagram2020 · MCQ