Home
Class 12
PHYSICS
In a tangent galvanometer a deflection o...

In a tangent galvanometer a deflection of `30^(@)` is obtained wth a certain current flowing through the coil. If the current is tripled, the deflection obtained will be

A

`45^(@)`

B

`60^(@)`

C

`90^(@)`

D

`30^(@)`

Text Solution

Verified by Experts

The correct Answer is:
2
`I=K tan theta`
Promotional Banner

Topper's Solved these Questions

  • MOVING CHARGES AND MAGNETISM

    NARAYNA|Exercise Level -II (H.W)|37 Videos

  • MOVING CHARGES AND MAGNETISM

    NARAYNA|Exercise ILLUSTRATION|58 Videos

  • MOVING CHARGES AND MAGNETISM

    NARAYNA|Exercise LEVEL-VI (SINGLE ANSWER QUESTION)|81 Videos

  • MAGNETISM AND MATTER

    NARAYNA|Exercise EXERCISE - 4 (SINGLE ANSWER TYPE QUESTION)|17 Videos

  • NUCLEAR PHYSICS

    NARAYNA|Exercise LEVEL-II-(H.W)|9 Videos

Similar Questions

Explore conceptually related problems

A tangent galvanometer propertly adjusted gives a deflection of 30^(@) when a certain current is passed through it. When the current is changed, then it gives a deflection of 45^(@) . The ratio of the currents in the two cases is

A tangent galvanometer gives a deflection of 30^(@) whewn a current of 250 mA is passed through its coil. If the radius of the coil is 8 cm and B_(H)=2.5xx10^(-5)Wbm^(-2) . Find the length of the wire used in winding the coil.

In a propertly adjusted tangent galvanometer, the deflection for 1A current is found to 30^(@) . Now the coil is turned through 90^(@) about the vertical axis, the deflection for the same current will be

Tangent galvanometer shows a deflection of 45^@ for some current. When the current is reduced to 1//sqrt(3) times the original , what is the deflection ?

In a moving coil galvanometer, the deflection of the coil q is related to the electrical current i by the relation

In a moving coil galvanometer, the deflection of the coil theta is related to the electric current i by the relation

In T.G., a deflection of 45^@ is obtained when a current of 173 m A is passed through it. The deflection in T.G., is 30^@ ,when current thorugh is

In a tangent galvanometer a current of 0.1 A produces a deflection of 30^(@) . The current required to produce a deflection of 60^(@) is

When a current of 318 m A is passed through a tangent galvanometer , a deflection of 45^@ is obtained. If radius of coil is 10 cm and number of turns 50 , then what is a value of horizontal component of earth's magnetic field ?

NARAYNA-MOVING CHARGES AND MAGNETISM-Level =I (H.W)
  1. A TG has 50 turns each of diameter 15 cms. When a certain current is p...

    Text Solution

    |

  2. A tangent galvanometer propertly adjusted gives a deflection of 30^(@)...

    Text Solution

    |

  3. In a tangent galvanometer a deflection of 30^(@) is obtained wth a cer...

    Text Solution

    |

  4. An electron of charge "e" has a time period of revolution of "T" in a ...

    Text Solution

    |

  5. A circular coil of wire "n" turns has a radius "r" and carries a curre...

    Text Solution

    |

  6. A long solenoid has 20 turns per cm and carries a current i. the magne...

    Text Solution

    |

  7. A proton and an alpha- particle enter a uniform magnetic field at righ...

    Text Solution

    |

  8. A proton takes 10^(-12)s to complete one revolution in uniform magneti...

    Text Solution

    |

  9. A charged particle , having charge q accelerated through a potential d...

    Text Solution

    |

  10. A proton moving with a velocity of 2xx10^(6)ms^(-1) describes circle o...

    Text Solution

    |

  11. A particle of charge 16xx10^(-18) coulomb moving with velocity 10m//s ...

    Text Solution

    |

  12. A proton is rotating along a circular path with kinetic energy K in a...

    Text Solution

    |

  13. In a cyclotron , if the frequency of proton is 5MHz, the magnetic fiel...

    Text Solution

    |

  14. A cyclotron's oscillator frequency is 10 MHz . The operating magnetic ...

    Text Solution

    |

  15. A straight wire of length 0.5 metre and carrying a current of 1.2 ampe...

    Text Solution

    |

  16. Two parallel conductor carrying 5A each , repel with a force of 0.25Nm...

    Text Solution

    |

  17. Two straight parallel wires carry currents of 200 mA and 1A in opposit...

    Text Solution

    |

  18. Two long parallel copper wires carry currents of 5 A each in opposite ...

    Text Solution

    |

  19. A rectangular coil of wire of area 400cm^(2) contain 500 turns. It is ...

    Text Solution

    |

  20. A rectangular coil of wire carrying a current is suspended in a unifor...

    Text Solution

    |