Home
Class 12
PHYSICS
A ring is made of wire having a distance...

A ring is made of wire having a distance `R_0 = 12Omega` . Find the points A and B as shown in figure,at which a current carrying conductor should be connected so that the resistance R of the sub circuit between these points is equal to `8/3Omega`

A

`I_1/I_2=1/2`

B

`I_1/I_2=3/8`

C

`I_1/I_2=1/3`

D

`I_1/I_2=5/8`

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • ATOMS AND NUCLEI

    SARAS PUBLICATION|Exercise EXAMPLE|36 Videos
  • DUAL NATURE OF MATTER AND RADIATION

    SARAS PUBLICATION|Exercise EXAMPLE|27 Videos

Similar Questions

Explore conceptually related problems

Find the equivalent resistance between the point a and b of the circuit shown in figure

A 6-volt battery of negligible internal resistance is connected across a uniform wire AB of length 100cm. The positive terminal of another battery of emf 4V and internal resistance 1(Omega) is joined to the point A as shown in figure.Take the potential at B to be zero. (a) What are the potentials at the poits A and C ? (b) At which point D of the wire AB, the potential is equal to the potential at C?(c ) If the point C and D are connected by a wire, what will be the current through it ? (d) If the 4V battery is replaced by 7.5V battery,wht would be the answer of parts (a) and (b) ?

Find the equivalent resistance of the circuit shown in figure between the points a and b.Each resistor has a resistances r .

Find the equivalent resistances between the points a and c of the network shown in figure. Each resistance is equal to r .

In the circuit shown,if a conducting wire is connected between points A and B , the current in this wire will:

Twelve wire, each having equal resistance r, are joined to form a cube as shown in figure.Find the equivalent resistance between the diagonally opposite points a and f .

Twelve wire, each having resistance r, are joined to form a cube as shown in figure.Find the equivalent resistance between the end of a face diagonal such as a and c .

A coil having a resistance of 50.0 Omega and an inductance of 0.500 henry is connected to an AC source of 110 volts, 50.0 cycle/s. Find the rms value of the current in the circuit.

Two long, straight wires a and b are 2*0 m apart, perpendicular to the plane of the paper as shown in figure . The wire a carries a current of 9*6 A directed into the plane of the figure,The magnetic field at the point P at a distance of 10/11 m from the wire b is zero. Find (a) the magnitude and direction of the current in b, (b) the magnitude of the magnetic field B at the point s and (c) the force per unit length on the wire b .

SARAS PUBLICATION-CURRENT ELECTRICITY-EXAMPLE
  1. A current of 2 A flows through a 2Omega resistor when connected acros...

    Text Solution

    |

  2. A uniform elecric field and a uniform magenetic field are acting alon...

    Text Solution

    |

  3. A ring is made of wire having a distance R0 = 12Omega . Find the point...

    Text Solution

    |

  4. A particle has initial velocity (2veci + 3vecj) and acceleration (0.3v...

    Text Solution

    |

  5. A wire of resistance 4Omega is stretched to twice its original length....

    Text Solution

    |

  6. The internal resistance of a 2.1v cell which gives a current of 0.2 A ...

    Text Solution

    |

  7. The resistance of the four arms P,Q,R and S in a Wheatstone's bridge a...

    Text Solution

    |

  8. In the adjacent figure. AC = 6 cm, AB = 5 cm and angleBAC = 30^(@). Fi...

    Text Solution

    |

  9. Two rods are joined end to end as shown. Both have a cross-sectional a...

    Text Solution

    |

  10. A conducting sphere of radius R is given a charge Q.The electric poten...

    Text Solution

    |

  11. The resistances in the two arms of the metre bridge are 5Omega and R O...

    Text Solution

    |

  12. A potentiometer circuit has been set up for finding the internal resis...

    Text Solution

    |

  13. A potentiometer wire of length L and a resistance r are connected in s...

    Text Solution

    |

  14. Across a metallic conductor of non- uniform cross section a constant p...

    Text Solution

    |

  15. A potentiometre wire has length 4m resistance 8Omega. The resistance t...

    Text Solution

    |

  16. A,B and C are voltmetres of resistance R, 1.5R and 3R as shown in the ...

    Text Solution

    |

  17. An inductor 20 mH , a capacitor 50mu F and a resistor 40 are connected...

    Text Solution

    |

  18. A potentiometre wire is 100 cm long and a constant potential differen...

    Text Solution

    |

  19. A capacitor of 2mu F is charged as shown in the diagram. When the swit...

    Text Solution

    |

  20. If the velocity of a particle is nu=At+Bt^2, where A and B are constan...

    Text Solution

    |