Home
Class 12
PHYSICS
The electrical field in the gap of a con...

The electrical field in the gap of a condenser charges as `10^(12)Vm^(-1)s^(-1)`. If the radius of each plate of the condenser is `3cm`, the magnetic field at the edge of plate in the gap is

A

`1.67 mT`

B

`0.167 muT`

C

`0.5 muT`

D

`5 muT`

Text Solution

Verified by Experts

The correct Answer is:
B

`intvecB.vec(dl)=mu_(0)epsilon_(0)(dphi_(E))/(dt)` , `B(2pir)=(1)/(C^(2))(dE)/(dt)pir^(2)`
Promotional Banner

Topper's Solved these Questions

  • ELECTRO MAGNETIC WAVES

    NARAYNA|Exercise LEVEL-II(H.W)|14 Videos
  • ELECTRO MAGNETIC WAVES

    NARAYNA|Exercise LEVEL- VI|5 Videos
  • ELECTRO MAGNETIC INDUCTION

    NARAYNA|Exercise Level-II (H.W)|23 Videos
  • ELECTROMAGNETIC INDUCTION

    NARAYNA|Exercise ASSERTION & REASON|6 Videos

Similar Questions

Explore conceptually related problems

A condenser having a capacity of 50muF is charged to a potential of 200 V. If the area of each plate of the condenser is 10cm^(2) and the distance between the plates is 0.1 mm. The energy per unit volume of the field between the plates is

A charge Q is uniformly distributed over a large plastic plate. The electric field at a point P close to the centre of the plate is 10V m^(-1) . If the plastic plate is replaced by a copper plate of the same geometrical dimension and carryin the same charge Q_1 the electric field at the point P will become

An AC rms voltage of 2V having a frequency of 50KHz is applied to a condenser of capacity of 10muF . The maximum value of the magnetic field between the plates of the condenser if the radius of plate is 10cm is

A parallel plate condenser is immersed in an oil of dielectric constant 2 . The field between the plates is

A parallel plate capacitor is moving with a velocity of 25 ms^-1 through a uniform magnetic field of 4.0T as shown in Fig. If the electric field within the capacitor plates is 175NC^-1 and the plate area is 25xx10^-7m^2 , then the magnetic force experienced by the positive charge plate is

A parallel plate air condenser of capacity 10 mu F is charged to a potential of 1000V. The energy of the condenser is

A parallel plate air filled capacitor having area 40 cm^2 and plate spacing 1.0 mm is charged to a potential difference of 500V. Find (a) the capacitance, (b) the magnitude of the charge on each plate ( c) the stored energy, (d) the electric field between the plates and (e ) the energy density between the plates.

A ring of charge with radius 0.5m has 0.002 pi m gap. If the ribg carries a charge of +1 C the electric field at the center is

When a dielectric material is introduced between the plates of a charged condenser, after disconnected the battery the electric field between the plates

NARAYNA-ELECTRO MAGNETIC WAVES-LEVEL-I(H.W)
  1. The voltage between the plates of a parallel plate condenser of capaci...

    Text Solution

    |

  2. A parallel plate condenser of capacity 10 muF is charged with a consta...

    Text Solution

    |

  3. The graph representing the variation of induced magnetic field in the ...

    Text Solution

    |

  4. The electrical field in the gap of a condenser charges as 10^(12)Vm^(-...

    Text Solution

    |

  5. An LC current contains inductance L=1mu H and capacitance C=0.01 muF. ...

    Text Solution

    |

  6. The wave length of the Green light of mercury is 550 nm. If the refrac...

    Text Solution

    |

  7. The all India Radio, station at Vijayawala transmits its signals at 84...

    Text Solution

    |

  8. A point source of electromagnetic radiation has an average power outpu...

    Text Solution

    |

  9. A plane E.M. wave of frequency 40 MHz travels along X-axis. At same po...

    Text Solution

    |

  10. A plane electromagnetic wave of frequency 25 Mhz travels in free space...

    Text Solution

    |

  11. Light with energy flux 36w//cm^(2) is incident on a well polished meta...

    Text Solution

    |

  12. The rms value of the electric field of the light from the sun is 720 N...

    Text Solution

    |

  13. In an electromagnetic wave, the amplitude of electric firld is 1 V/m. ...

    Text Solution

    |

  14. About 5% of the power of a 100 W light bulb is converted to visible ra...

    Text Solution

    |

  15. The sun radiates electromagnetic energy at the rate of 3.9xx10^(26)W. ...

    Text Solution

    |

  16. The intensity of TV broad cast station of E=800sin(10^(9)t-kx) V//M is...

    Text Solution

    |