Home
Class 12
PHYSICS
Two thick wires and two thin wires, all...

Two thick wires and two thin wires, all of the same materais and same length from a square in the three differenct ways, `P,Q` and `R` as shwon in figure with current connection shown, the magneitc feidl at the centre of the square is zero in cases.

A

A only

B

A & B only

C

B & C only

D

A & C only

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • MOVING CHARGE AND MAGNESIUM

    AAKASH INSTITUTE|Exercise ASSIGNMENT (SECTION A)|34 Videos

  • MOVING CHARGE AND MAGNESIUM

    AAKASH INSTITUTE|Exercise SECTION B|25 Videos

  • MOVING CHARGE AND MAGNESIUM

    AAKASH INSTITUTE|Exercise TRY YOURSELF|11 Videos

  • MOTION IN STRAIGHT LINE

    AAKASH INSTITUTE|Exercise Assignment (SECTION - J)|2 Videos

  • MOVING CHARGES AND MAGNETISM

    AAKASH INSTITUTE|Exercise Assignment Section J (Aakash Challengers Questions)|5 Videos

Similar Questions

Explore conceptually related problems

Two thick wires and tow thin wires, all of same material and same length from a squre in the three different ways P, Q and R as shown. The current flowing through the arrangement is i. Let B_(P), B_(Q) and B_(R) represent the magnetic field at the centre of square in the three cases, then

Four very long, current carrying wires in the same plane intersect to form a square 40.0 cm on each side as shown in figure. Find the magnitude and direction of the current I so that the magnetic field at the centre of square is zero. Wires are insulated from each other.

There are two parallel current carrying wires X and Y as shown in figure. Find the magnitude and direction of the magnetic field at points, P, Q and R.

Two identical wires each of length L are bent to form a circular loop and a square loop. If the same current i flows in the two wires, then the ratio of the magnetic inductions at the centre of the circular and square loops is :

Two heating coils, one of fine wire and the other of thick wire of the same material and of the same length are connected in series and in parallel. Which of the following statement is correct ?

In the figures given show four different sets of wires that cross each other without actually touching. The magnitude of the current is the same in all four cases and the directions of current flow are as indicated. For which configuration will the magnetic field at the centre of the square formed by the wires be equal to zero?

Four thin rods same mass M and same length l, from a square as shown in figure. Moment of inertia of this system about an axis passing through one corner of the square and perpendicular to its plane is

Two similar p-n junctions can be connected in three different ways as shown in the figure. The two connections across which the potentional difference is same are. (a)

Four thin rods of same mass M and same length l, form a square as shown in figure. Moment of inertia of this system about an axis through centre O and perpendicular to its plane is

AAKASH INSTITUTE-MOVING CHARGE AND MAGNESIUM-EXERCISE
  1. A thin ring of radius R metre has charge q coulomb uniformly spread ...

    Text Solution

    |

  2. Two similar circular loops of radius R are lying concentrically with t...

    Text Solution

    |

  3. A circular coil carrying a certain, current produces a magnetic field ...

    Text Solution

    |

  4. The magnetic induction at the centre of a current carrying circular co...

    Text Solution

    |

  5. Same current i is flowing in the three infinitely long wires along pos...

    Text Solution

    |

  6. Magnetic field at point O due to the given structure is

    Text Solution

    |

  7. Magnetic field at the centre O due to the given structure is

    Text Solution

    |

  8. A solenoid 1.5 metre and 4.0 cm in diameter possesses 10 turns/cm. A c...

    Text Solution

    |

  9. Two thick wires and two thin wires, all of the same materais and sam...

    Text Solution

    |

  10. Current I(0) flows through solenoid of length L having N number of tur...

    Text Solution

    |

  11. A straight wire of mass 200 g and length 1.5 m carries a current of 2 ...

    Text Solution

    |

  12. A conducting loop carrying a current I is placed in a uniform magnetic...

    Text Solution

    |

  13. A circular coil of wire carries a current . PQ is a part of very long ...

    Text Solution

    |

  14. A circular wire ABC and a straight conductor ADC are carrying current ...

    Text Solution

    |

  15. A semicircular wire PQS of radius R is connected to a wire bent in the...

    Text Solution

    |

  16. A small circular flexible loop of wire of radius r carries a current I...

    Text Solution

    |

  17. Two circular coils mounted parallel to each other on the same axis car...

    Text Solution

    |

  18. A long straight wire is carrying a current of 25 A. A square loop of s...

    Text Solution

    |

  19. Three long straight and parallel wires carrying currents are arranged...

    Text Solution

    |

  20. To make the field radial in a moving coil galvanometer

    Text Solution

    |