Home
Class 12
PHYSICS
In a coil of resistance 10 ohm , the ind...

In a coil of resistance 10 ohm , the induced current developed by changing magnetic flux through it, is shown in figure as a function of time . The magnitude of change in flux through the coil (in weber) is __

A

8

B

2

C

6

D

4

Text Solution

Verified by Experts

The correct Answer is:
b
Promotional Banner

Topper's Solved these Questions

  • ELECTRO MAGNETIC INDUCTION

    MOTION|Exercise EXERCISE-4| Section B (Prevous Years Problems )|29 Videos
  • ELECTRO MAGNETIC INDUCTION

    MOTION|Exercise EXERCISE-3 (Assertion & Reasoning)|18 Videos
  • Electrical Instrument

    MOTION|Exercise EXERCISE -3|16 Videos
  • ELECTRO MAGNETIC WAVES

    MOTION|Exercise EXERCISE - 3 (SECTION - B)|8 Videos

Similar Questions

Explore conceptually related problems

In a coil of resistance 100 Omega , a current is induced by changing the magnetic flux through it as shown in the figure. The magnitude of change in flux through the coil is

Some magnetic flux is changed from a coil resistance 10Omega . As a result an induced current developed in it. Which varies with time as shown figure, The magnitude of changes f in flux through the coil (in webers) is

Some magnetic flux is changed from a coil of resitance 10 Omega . As a result, an induced current is developed it, which varies with time as shown in Fig. 3.213. Find the magnitude of the change in flux through ythe coil in weber.

Magnetic flux through a coil depends upon

A current-carrying coil of total resistance R is kept inside magnetic field. How is the change in magnetic flux through the coil related to the amount of charge passing through the coil ?

The magnetic flux linked to a coil of 10 turns changes by 40 mWb in a time of 2 ms. The magnitude of the induced emf produced in the coil is

A current coil of total resistance R is kept inside magnetic field. How is the change in magnetic flux through the coil related to the amount of charge passing through the coil?

The formula for induced e.m.f. in a coil due to change in magnetic flux through the coil is (here A = area of the coil, B = magnetic field)

MOTION-ELECTRO MAGNETIC INDUCTION-EXERCISE-4| Section A (Prevous Years Problems )
  1. A transformer is used to light a 100 W and 110 V lamp from a 220V main...

    Text Solution

    |

  2. A circular disc of radius 0.2 m is placed in a uniform magnetic fied...

    Text Solution

    |

  3. A long solenoid has 500 turns. When a current of 2A is passed through ...

    Text Solution

    |

  4. A rectangular, a square , a circular and an elliptical loop, all in th...

    Text Solution

    |

  5. A conducting circular loop is placed in a uniform magnetic field 0.04T...

    Text Solution

    |

  6. A conducting circular loop is placed in a uniform magnetic field, B=0....

    Text Solution

    |

  7. A solenoid of radius R and length L has a current I = I​0 cosωt. The v...

    Text Solution

    |

  8. A coil of resistance 400Omega is placed in a magnetic field. If the ma...

    Text Solution

    |

  9. The current (I) in the inductance is varying with time acroding to the...

    Text Solution

    |

  10. In a coil of resistance 10 ohm , the induced current developed by chan...

    Text Solution

    |

  11. A wire loop is rotated in magneitc field. The frequency of change of d...

    Text Solution

    |

  12. A transformer having efficiency of 90% is working on 200 V and 3 kW po...

    Text Solution

    |

  13. The time constant of a circuit is 10 sec , when a resistance of 10 Ome...

    Text Solution

    |

  14. A conducting square frame of side 'a' and a long straight wire carryin...

    Text Solution

    |

  15. An electron moves on a straight line path XY as shown. The abcd is a a...

    Text Solution

    |

  16. A solenoid having 500 turns and length 2 m has radius of 2 cm , the se...

    Text Solution

    |

  17. Find the dimensions of inductance :-

    Text Solution

    |

  18. A copper disc of radius 10 cm is rotating in magnetic field B=0.4 gaus...

    Text Solution

    |

  19. A long solenoid of diameter 0.1 m has 2 xx 10^(4) turns per meter. At ...

    Text Solution

    |

  20. A metallic rod of mass per unit length 0.5 kg m^(-1) is lying horizont...

    Text Solution

    |