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

2023 · 29 Jan · Shift 2 · Q48
Guest · try one question or challengeGuest · try one question or challenge
  1. PYQ Library
  2. /JEE Main
  3. /Physics
  4. /Electromagnetic Induction
  5. /2023 · 29 Jan · Shift 2 · Q48

Electromagnetic Induction question

2023 · 29 Jan · Shift 2 · Q48

JEE MainPhysicsElectromagnetic InductionMCQ+4 / −1
A square loop of area 25 cm 2^22 has a resistance of 10 Ω\OmegaΩ. The loop is placed in uniform magnetic field of magnitude 40.0 T. The plane of loop is perpendicular to the magnetic field. The work done in pulling the loop out of the magnetic field slowly and uniformly in 1.0 sec, will be
  1. A
    1.0×10−3 J\mathrm{1.0\times10^{-3}~J}1.0×10−3 J
  2. B
    5×10−3 J\mathrm{5\times10^{-3}~J}5×10−3 J
  3. C
    2.5×10−3 J\mathrm{2.5\times10^{-3}~J}2.5×10−3 J
  4. D
    1.0×10−4 J\mathrm{1.0\times10^{-4}~J}1.0×10−4 J
PreviousNext

More from Electromagnetic Induction

  • As per the given figure, if dtdI​=−1 A/s then the value of VAB​ at this instant will be ​V. Includes diagram2023 · Numerical
  • Spherical insulating ball and a spherical metallic ball of same size and mass are dropped from the same height. Choose the correct statement out of the following {Assume negligible air friction}2023 · MCQ
  • A circular coil of 1000 turns each with area 1m2 is rotated about its vertical diameter at the rate of one revolution per second in a uniform horizontal magnetic field of 0.07T. The maximum voltage generation will be ​…2022 · Numerical
  • A small square loop of wire of side l is placed inside a large square loop of wire L(L>>l). Both loops are coplanar and their centres coincide at point O as shown in figure. The mutual inductance of… Includes diagram2022 · MCQ
  • The electric current in a circular coil of 2 turns produces a magnetic induction B1 at its centre. The coil is unwound and in rewound into a circular coil of 5 tuns and the same current produces a magnetic induction B2 at its centre. The…2022 · MCQ
  • Magnetic flux (in weber) in a closed circuit of resistance 20 Ω varies with time t(s) at ϕ= 8t2 − 9t + 5. The magnitude of the induced current at t = 0.25 s will be ​ mA.2022 · Numerical
  • The current in a coil of self inductance 2.0 H is increasing according to I = 2 sin(t2) A. The amount of energy spent during the period when current changes from 0 to 2 A is ​ J.2022 · Numerical
  • In a coil of resistance 8Ω, the magnetic flux due to an external magnetic field varies with time as ϕ=32​(9−t2). The value of total heat produced in the coil, till the flux becomes zero, will be ​J…2022 · Numerical