Home
Class 12
PHYSICS
In the given arrangement, the loop is mo...

In the given arrangement, the loop is moved with consisant velocity in uniform magnetic field B in a restricted a region of width a. The time for which the emf is induced in the cirucit is

A

`(2b)/(v)`

B

`(2a)/(v)`

C

`(a+b)/(v)`

D

`(2(b-a))/(v)`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • ALTERNATING CURRENT

    DC PANDEY ENGLISH|Exercise Level 2 Subjective|10 Videos
  • ATOMS

    DC PANDEY ENGLISH|Exercise MEDICAL ENTRANCES GALLERY|42 Videos

Similar Questions

Explore conceptually related problems

The loop shown moves with a velocity v in a uniform magnetic field of magnitude B , directed into the paper. The potential differene between point P and Q is e. Then

A conducting ring is placed in a uniform magnetic field with its plane perpendicular to the field . An emf is induced in the ring if

A glass rod of length l moves with velocity v in a uniform magnetic field B. What is the e.m.f induced in the rod?

A conductor of length 0.1m is moving with a velocity of 4m/ s in a uniform magnetic field of 2T as shown in the figure. Find the emf induced ?

A conductor of length 0.1m is moving with a velocity of 4m/s in a uniform magnetic field of 2T as shown in the figure. Find the emf induced ?

A ring of radius R moves with a velocity v in a uniform static magnetic field B as shown in diagram. The emf between P and Q is

A wire loop confined in a plane is rotated in its open plane with some angular velocity. A uniform magnetic field exists in the region. Find the emf induced in the loop.

A metallic loop is placed in a nonuniform magnetic field. Will an emf be induced in the loop?

An equilateral triangular loop ADC having some resistance is pulled with a constant velocity v out of a uniform magnetic field directed in to the paper. At time t = 0 , side DC of the loop at is at edge of the magnetic field. The induced current (i) versus time (t) graph will be as

A rectangular coil is placed in a region having a uniform magnetic field B perpendicular to the plane of the coil. An emf will not be induced ion the coil if the

DC PANDEY ENGLISH-ALTERNATING CURRENT-JEE MAIN
  1. In the given arrangement, the loop is moved with consisant velocity in...

    Text Solution

    |

  2. A uniform magnetic field existsin region given by vec(B) = 3 hat(i) + ...

    Text Solution

    |

  3. A constant force is being applied on a road of length 'l' kept at rest...

    Text Solution

    |

  4. Figures shows a square loop of side 1m and resistance 1Omega. The magn...

    Text Solution

    |

  5. A wire of fixed length is wound on a solenoid of length l and radius r...

    Text Solution

    |

  6. In the given circuit, let i(1) be the current drawn battery at time t=...

    Text Solution

    |

  7. In a series L-R growth circuit, if maximum current and maximum voltage...

    Text Solution

    |

  8. A resistance is connected to a capacitor in AC are the phase differece...

    Text Solution

    |

  9. A reacangular loop if size (2m xx 1m) is placed in x-y plane. A unifor...

    Text Solution

    |

  10. Radius of a circular ring is changing with time and the coil is placed...

    Text Solution

    |

  11. r.m.s. value of current i=3+4sin (omegat+pi//3) is

    Text Solution

    |

  12. An AC voltage of V=220sqrt2 sin (100pit+(pi)/(2))V is applied across a...

    Text Solution

    |

  13. A direct current of 2 A and an alternating current having a maximum va...

    Text Solution

    |

  14. By what percentage the impedance in an AC series circuit should be inc...

    Text Solution

    |

  15. A power transformer (step up) with an 1:8 turns ratio has 60 Hz,120 V ...

    Text Solution

    |

  16. A choke coil has

    Text Solution

    |

  17. Comparing the L-C oscillations with the oscillations of a spring-block...

    Text Solution

    |

  18. A capacitor of capacity 2muF is changed to a potential different of 12...

    Text Solution

    |

  19. The power factor of the circuit in fig. is 1//sqrt(2). The capacitance...

    Text Solution

    |

  20. An ac-circuit having supply voltage E consists of a resistor of resis...

    Text Solution

    |