Home
Class 12
PHYSICS
A circuit ABCD is held perpendicular to ...

A circuit `ABCD` is held perpendicular to the uinform magnetic field of `B = 5 xx 10^(-2)T` extending over the region `PQRS` and directed into the plane of the paper. The cicuit is moving out of the field at a uin form speed of `0.2 m s^(-1)` for `1.5 s`. During this time, the current in the `5 Omega` resistor is

A

0.6 mA from B to C

B

0.9 mA from B to C

C

0.9 mA from C to B

D

0.6 mA from C to B

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • NEET MOCK TEST 5

    NTA MOCK TESTS|Exercise PHYSICS - SINGLE CHOICE|45 Videos
  • NEET MOCK TEST 9

    NTA MOCK TESTS|Exercise PHYSICS|45 Videos

Similar Questions

Explore conceptually related problems

A uniform but time varying magnetic field B(t) exist in a circular region of radius a and is directed into the plane of the paper as shown. The magnitude of the induced electric field at point P at a distance r form the centre of the circular region.

The work done in rotating a magent of the magnetic moment 2Am^(2) in a magnetic field of induction 5 xx 10^(-3)T from the direction along the magnetic field to the direction opposite to the field , is

In the figure shown as uniform magnetic field |B|=0.5T is perpendicular to the plane of circuit. The sliding rod of length l=0.25 m moves uniformly with constant speed v=4ms^-1 . If the resistance of the sllides is 2Omega , then the current flowing through the sliding rod is

A conducting square loop of side 10 cm is placed in a region of uniform magnetic field 0.5 T as shown in the figure. Calculate the work done in slowly moving the loop out of the field in 2 seconds with a speed of 0.05 m s^(-1) . The resistance of loop is 10 Omega .

Consider the situation shown Fig. There present a magnetic field B = 1 T which is perpendicular to plane of paper. The wire P_(2), Q_(2) are made to slide on the rails with the same speed 5 cm //s . Find the electric current in the 19 (Omega) resistance if Both the wires move towards right

Figure shows a conducting rod PQ in contact with metal rails RP and SQ , which are 0.25 m apart in a uniform magnetic field of flux density 0.4T acting perpendicular to the plane of the paper. Ends R and S are connected through a 5 Omega resistance. What is the emf when the rod moves to the right with a velocity of 5ms^(-1) ? What is the magnitude and direction of the current through the 5 Omega resistance? If the rod PQ moves to the left with the same speed, what will be the new current and its direction?

A uniform magnetic field B = 0.5 T exists in a circular region of radius R = 5m . A loop of radius R = 5 m encloses the magnetic field at t = 0 and then pulled at uniform speed v = 2m s^(-1) In the plane of the paper. Find the induced emf ("in" V) in the loop at time t = 3 s .

A wire of length 2 m moves with a speed of 5 m//s perdendicular to a magnetic field of induction 0.1 W//b m^(2) . The e.m.f. induced in the wire is

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?

NTA MOCK TESTS-NEET MOCK TEST 8-PHYSICS - SINGLE CHOICE
  1. A laser light of wavelength 660 nm is used to weld Retina detachment. ...

    Text Solution

    |

  2. The amplitude and time period in SHM are 0.8 cm and 0.2 sec respective...

    Text Solution

    |

  3. A circuit ABCD is held perpendicular to the uinform magnetic field of ...

    Text Solution

    |

  4. Half lives of two isotopes X and Y of a material are known to be 2 xx ...

    Text Solution

    |

  5. Gravitational potential V versus distance r graph is represented in th...

    Text Solution

    |

  6. Four persons K,L,M,N are initially at the four corners of a square of ...

    Text Solution

    |

  7. A ball of mass 2 kg and another of mass 4 kg are dropped together from...

    Text Solution

    |

  8. Two magnets of magnetic moments 4Am^(2) and 3Am^(2) are joined to form...

    Text Solution

    |

  9. With respect to the potential of emitter, base and collector, a NPN tr...

    Text Solution

    |

  10. 400 c c volume of gas having gamma=5/2 is suddenly compressed to 100 c...

    Text Solution

    |

  11. The endpoints of a conducting string (shaped as a circular loop) of co...

    Text Solution

    |

  12. An air bubble of radius 1 mm is located at a depth of 20 cm below wate...

    Text Solution

    |

  13. A man of weight mg is moving up in a rocket with acceleration 4 g . Th...

    Text Solution

    |

  14. A small conducting sphere of radius r is lying concentrically inside a...

    Text Solution

    |

  15. The deflection in a moving coil galvanometer is

    Text Solution

    |

  16. If for hydrogen C(P) - C(V) = m and for nitrogen C(P) - C(V) = n, wher...

    Text Solution

    |

  17. A positively charged ball hangs from a long silk thread. Electric fiel...

    Text Solution

    |

  18. Which of the following graphs represents the motion of a particle movi...

    Text Solution

    |

  19. A mirror is inclined at an angle of theta with the horizontal. If a ra...

    Text Solution

    |

  20. The bob of a simple pendulum is a spherical hollow ball filled with wa...

    Text Solution

    |