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

2004 · Shift 0 · Q149
Guest · try one question or challengeGuest · try one question or challenge
  1. PYQ Library
  2. /JEE Main
  3. /Physics
  4. /Electromagnetic Induction
  5. /2004 · Shift 0 · Q149

Electromagnetic Induction question

2004 · Shift 0 · Q149

JEE MainPhysicsElectromagnetic InductionMCQ+4 / −1
A coil having nnn turns and resistance RΩR\OmegaRΩ is connected with a galvanometer of resistance 4RΩ.4R\Omega .4RΩ. This combination is moved in time ttt seconds from a magnetic field W1{W_1}W1​ weber to W2{W_2}W2​ weber. The induced current in the circuit is
  1. A
    (W2−W1)Rnt{{\left( {{W_2} - {W_1}} \right)} \over {Rnt}}Rnt(W2​−W1​)​
  2. B
    −n(W2−W1)5  Rt- {{n\left( {{W_2} - {W_1}} \right)} \over {5\,\,Rt}}−5Rtn(W2​−W1​)​
  3. C
    −(W2−W1)5  Rnt- {{\left( {{W_2} - {W_1}} \right)} \over {5\,\,Rnt}}−5Rnt(W2​−W1​)​
  4. D
    −n(W2−W1)Rt- {{n\left( {{W_2} - {W_1}} \right)} \over {Rt}}−Rtn(W2​−W1​)​
PreviousNext

More from Electromagnetic Induction

  • In a uniform magnetic field of induction B a wire in the form of a semicircle of radius r rotates about the diameter of the circle with an angular frequency ω. The axis of rotation is perpendicular to the field. If the total…2004 · MCQ
  • A metal conductor of length 1m rotates vertically about one of its ends at angular velocity 5 radians per second. If the horizontal component of earth's magnetic field is 0.2×10−4T, then the e.m.f. developed between…2004 · MCQ
  • When the current changes from +2A to −2A in 0.05 second, an e.m.f. of 8V is inducted in a coil. The coefficient of self- induction of the coil is2003 · MCQ
  • Two coils are placed close to each other. The mutual inductance of the pair of coils depends upon2003 · MCQ
  • The inductance between A and D is Includes diagram2002 · MCQ
  • A conducting square loop of side L and resistance R moves in its plane with a uniform velocity v perpendicular to one of its sides. A magnetic induction B constant in time and space, pointing perpendicular and into the plane at the… Includes diagram2002 · MCQ
  • Conductor wire ABCDE with each arm 10 cm in length is placed in magnetic field of 2​1​ Tesla, perpendicular to its plane. When conductor is pulled towards right with constant velocity of 10 cm/s,… Includes diagram2025 · Numerical
  • A rectangular metallic loop is moving out of a uniform magnetic field region to a field free region with a constant speed. When the loop is partially inside the magnate field, the plot of magnitude of induced emf (ε) with time (t)…2025 · MCQ