Home
Class 12
PHYSICS
In given potentiometer circuit 1.02 Volt...

In given potentiometer circuit `1.02 Volt` is balanced at `51cm` from A. Find potential gradient of potentiometer wire AB:

A

`0.01 VOLT/CM`

B

`0.2 VOLT/CM`

C

`0.3 VOLT/CM`

D

`0.4 VOLT/CM`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • JEE MAIN 2021

    JEE MAINS PREVIOUS YEAR|Exercise PHYSICS SECTION B|30 Videos

Similar Questions

Explore conceptually related problems

Potential gradient of a potentiometer is equal to

The potential gradient for a potentiometer depends on

A current of 1.0 mA is flowing through a potentiometer wire of length 4 m and of resistance 4 Omega , find the potential gradient of potentiometer wire

Potentiometer wire PQ of 1m length is connected to a standerd cell E_(1) . Another cell, E_(2) of emf 1.02 V is connected with a resistance r and a switch S open, null position is obtained at a distance of 51 cm from P Calculate (i) potential gradient of the potentiometer wire and (ii) emf of the cell E_(1) (iii) when swich S closed will mull point move toward P or toward Q ? Given resion for your answer ?

A 2 volt battery, a 15 Omega resistor and a potentiometer of 100 cm length, all are connected in series. If the resistance resistance of potentiometer wire is 5 Omega , then the potential gradient of the potentiometer wire is

A 2 V battery, a 990Omega resistor and a potentiometer of 2 m length, all are connected in series of the resistance of potentiometer wire is 10Omega , then the potential gradient of the potentiometer wire is

Figure shows a potentiometer circuit, a cell of emf E_1 is balanced by length l' of the potentiometer wire. If this cell is replaced by another of emf E_2 , it is found that total length of potentiometer wire has to be increased by 50%, in order to have the same balance length (l'). Then E_1//E_2 is______.

Primary circuit of potentiometer is shown in figure determine : (A) current in peimary circuit (B) potential drop across potentiometer wire AB ( C) potential gradient (means potential drop per unit length of potentiometer wire) (D) maximum potential which we can measure above potentiometer

The balancing length for a cell in a potentiometer experiment is 45 cm. In the balanced condition, the current through the potentiometer wire is 2 A. If the total length of the potentiometer wire is 1 m and its total resistance is 60Omega , the emf of the cell is (in Volts) _________.

JEE MAINS PREVIOUS YEAR-JEE MAIN-All Questions
  1. Charge Q is distributed on two concentric spheres of radius r and R re...

    Text Solution

    |

  2. A capillary of radius 0.15mm is dipped in liquid of density 'rho' = 66...

    Text Solution

    |

  3. In given potentiometer circuit 1.02 Volt is balanced at 51cm from A. F...

    Text Solution

    |

  4. In hydrogen atom electron jumps from (n+1)th state to nth state the fr...

    Text Solution

    |

  5. Displacement time graph of particle performing SHM is as shown in figu...

    Text Solution

    |

  6. A closed box contains an ideal gas if temperature of gas increased whi...

    Text Solution

    |

  7. R1 = R2 = R3 = R4 = 2ohm. Find voltage across capacitor at steady stat...

    Text Solution

    |

  8. Two disc having moment of inertias I1 & I2 and angle velocities 'omega...

    Text Solution

    |

  9. A particle is having mass m & charge +q is projected horizontally from...

    Text Solution

    |

  10. In YDSE when 'lambda = 700 nm' then total number of figure b/w O & P i...

    Text Solution

    |

  11. Acceleration due to gravity as same at height h from surface and at de...

    Text Solution

    |

  12. Efficiency of cyclic process is 50% if heat Q1=19J , Q2=40J , Q3=125J,...

    Text Solution

    |

  13. (A,B) IS (0,0), (0,1), (1,0),(1,1) THEN Output at X will be

    Text Solution

    |

  14. Impedence of L-R Circuit is 100ohm and phase difference between source...

    Text Solution

    |

  15. A square of side a/2 is removed from a disc having radius a . Find cen...

    Text Solution

    |

  16. A particle is projected with velocity V for point O of particle makes ...

    Text Solution

    |

  17. Youngs modulus of a string of length 1m and Density 900Kg/m^3 is 9xx10...

    Text Solution

    |

  18. Light incidence on a sphere of refractive index sqrt3 placed in a air ...

    Text Solution

    |

  19. A capacitor of capacity 20microF is charged upto 50V and and disconnec...

    Text Solution

    |

  20. A 750 Hz, 20 V source is connected to as resistance of 100 Omega an in...

    Text Solution

    |