Home
Class 12
PHYSICS
A rectangular loop ABCD' with movable ar...

A rectangular loop ABCD' with movable arm AB of length 10 cm and resistance `2 Omega` is placed in a uniform magnetic field of 0-1 T. The field is perpendicular to the plane of the loop. The resistance of arms CB, BA and CD is negligible.
What is the current induced in the loop when PQ is moving with the velocity of `20ms^(-1)`

A

0.1 A

B

0.2 A

C

0.3 A

D

0.4 V

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • SAMPLE PAPER 9

    EDUCART PUBLICATION|Exercise SECTION - C|3 Videos
  • SAMPLE PAPER 9

    EDUCART PUBLICATION|Exercise SECTION - C|3 Videos
  • SAMPLE PAPER 7

    EDUCART PUBLICATION|Exercise SECTION-C|6 Videos
  • SAMPLE PAPER SELF- ASSESSMENT -(10)

    EDUCART PUBLICATION|Exercise SECTION-B|17 Videos

Similar Questions

Explore conceptually related problems

A circular loop of radius 0*2m carrying a current of 1A is placed in a uniform magnetic field of 0*5T . The magnetic field is perpendicular to the plane of the loop. What is the force experienced by the loop?

A circular loop of area 1cm^2 , carrying a current of 10 A , is placed in a magnetic field of 0.1 T perpendicular to the plane of the loop. The torque on the loop due to the magnetic field is

A conducting circular loop is placed in a uniform magnetic field 0.04T with its plane perpendicular to the magnetic field. The radius of the loop starts shrinking at 2mm//sec . The induced emf in the loop when the radius is 2cm is

A conducting circular loop of radiius r carries a constant current i . It is placed in a uniform magnetic field vec(B)_(0) such that vec(B)_(0) is perpendicular to the plane of the loop . The magnetic force acting on the loop is

A conducting circular loop of radius r carries a constant current i. It is placed in a uniform magnetic field B such that B is perpendicular to the plane of loop. What is the magnetic force acting on the loop?

A square loop of side 20 cm and resistance 0.30 Omega is placed in a magnetic field of 0.4 T. The magnetic field is at an angle of 45^(@) to the plane of loop. If the magnetic field is reduced to zero in 0.5 s, then find the induced emf and induced current in the loop in this time interval.

A rectangular loop with a sliding conductor of length l is located in a uniform magnetic field perpendicular to the plane of the loop . The magneitc inducetion is b . The resistances R_(1) and R_(2) , respectively. Find the current through the conductor during its motion to the right with a constant velocity v .

EDUCART PUBLICATION-SAMPLE PAPER 9 -SECTION - B
  1. The emf of the battery is equal to its terminal potential difference.

    Text Solution

    |

  2. The current passing through a choke coil of self-inductance 5 H is de...

    Text Solution

    |

  3. The magnetic flux linked with the coil is given by phi = 5t^2 + 3t + ...

    Text Solution

    |

  4. Find the new capacitance if two dielectric of dielectric constant 4 a...

    Text Solution

    |

  5. Coulomb force (vecF(12)) in vector form is:

    Text Solution

    |

  6. Where is the energy stored in a capacitor?

    Text Solution

    |

  7. Five equal capacitors are connected in series and have net capacitanc...

    Text Solution

    |

  8. The potential differences across the resistance, capacitance and induc...

    Text Solution

    |

  9. Consider a simple circuit shown in Fig. stands for a variable resistan...

    Text Solution

    |

  10. To rotate a bar magnet from. 0^@ to 120^@, the work done is:

    Text Solution

    |

  11. The horizontal component of earth's magnetic field is 0.26 and vertica...

    Text Solution

    |

  12. A rectangular loop ABCD' with movable arm AB of length 10 cm and resi...

    Text Solution

    |

  13. A source of an alternating potential V = 200 sin (100 pit) V is conne...

    Text Solution

    |

  14. Coefficient of coupling is given by:

    Text Solution

    |

  15. For 2 hr, a television of 100 W is used. Find the units used:

    Text Solution

    |

  16. Assertion (A): The dimension formula for product of conductance and r...

    Text Solution

    |

  17. Assertion (A): 1 m wire is used to make meter bridge useful. Reaso...

    Text Solution

    |

  18. Assertion (A): We use thick wire in the secondary coil of a step down...

    Text Solution

    |

  19. Assertion (A): For phenomena of resonance both L·& Care to be present...

    Text Solution

    |

  20. In a series LCR circuit, at resonant frequency.

    Text Solution

    |