Home
Class 12
PHYSICS
When 100 DC is applied across a solenoid...

When 100 DC is applied across a solenoid, a steady current of 1A flows in it. When 100V AC is applied across the same solenoid, current drops to 0.5A. If the frequency of AC source is `(50sqrt(3))/(pi)` Hz, find the resistance and inductance of the solenoid.

Promotional Banner

Topper's Solved these Questions

  • ELECTROMAGNETIC INDUCTION AND ALTERNATING CURRENT

    PHYSICS GALAXY - ASHISH ARORA|Exercise Practice Exercise 5.1|12 Videos
  • ELECTROMAGNETIC INDUCTION AND ALTERNATING CURRENT

    PHYSICS GALAXY - ASHISH ARORA|Exercise Practice Exercise 5.2|14 Videos
  • ELECTROMAGNETIC INDUCTION AND ALTERNATING CURRENT

    PHYSICS GALAXY - ASHISH ARORA|Exercise Advance MCQs|33 Videos
  • CURRENT ELECTRICITY

    PHYSICS GALAXY - ASHISH ARORA|Exercise All Questions|389 Videos
  • ELECTROSTATICS

    PHYSICS GALAXY - ASHISH ARORA|Exercise Unsolved Numberical Problems|73 Videos

Similar Questions

Explore conceptually related problems

When 100 V DC is applied across a solenoid, a steady current of 1 A flows in it. when 100V AC is applied across the same solenoid, the current drops to 0.5 A. If the frequency of the Ad source is 150// sqrt3pi Hz , the impedance and inductance of the solenoid are

When 100 V dc is applied across a solinoid, a current of 1.0 A flows in it. When 100 V ac is applied across the same coil. The current drops to 0.5A. If the frequency of the ac source is 50 Hz, the impedance and inductance of the solenoid are

When 100 volt d.c. is applied across a solenoid, a current of 1.0 A flows in it. When 100 volt a.c. is applied across the same coil, the current drops to 0.5 A. If the frequency of a.c. source is 50 Hz the impedance and inductance of the solenoid is

When 100 V dc is applied across a coil, a current of 1A flows through it and when 100 V ac of 50 Hz is applied to the same coil, only 0.5 flows The resistance is

When 100 V dc is applied across a coil, a current of 1A flows through it and when 100 V ac of 50 Hz is applied to the same coil, only 0.5 flows The inductance of coil is

When 100 volts DC is applied across a coil, a current of 1amp flows through it. When 100 volt AC at 50 cycles s^(-1) is applied to the same coil, only 0.5 ampere current follows.

When 100V dc is applied across a coil a current of 1 A flows through it When 100V ac of 50Hz is applied across the same coil only 0.5A flows The resistance and inductance of the coil are ( take pi^(2) =10) .

A current of 1 A flows through a coil, when a 100 V d.c. is applied to it. But a current of 0.5 A flows through the same coil, when a 100V a.c. of frequency 50 Hz is applied. The resistance and inductance of the coil are given by (take pi^(2)=10 )

PHYSICS GALAXY - ASHISH ARORA-ELECTROMAGNETIC INDUCTION AND ALTERNATING CURRENT-Illustration
  1. In the circuit shown in the figure, E = 50.0 V, R = 250 Omega and C = ...

    Text Solution

    |

  2. An inductor of inductance 2.0mH is connected across a charged capacito...

    Text Solution

    |

  3. In figure-5.143 ifS is closed at t=0, find charge on capacitor as a fu...

    Text Solution

    |

  4. A bar magnet haxs its pole strength 4.5 Am and length 12 cm. the cross...

    Text Solution

    |

  5. For a magnetising field of intensity 2xx10^3A//m, aluminium at 280K ac...

    Text Solution

    |

  6. A piece of iron of mass 8.4 kg is repeatedly magnetised and demagnetis...

    Text Solution

    |

  7. An electric bulb is designed to operate at 12 volts DC. If this bulb ...

    Text Solution

    |

  8. The current in a discharging LR circuit is given by I = i0 e^(-t/tau) ...

    Text Solution

    |

  9. A direct current of 2A and an AC of peak value 2A flows through resist...

    Text Solution

    |

  10. Rms value of the saw-tooth voltage of peak value V(0) as shown in-

    Text Solution

    |

  11. A 10 mu F capacitor in series with a 40 Omega resistance is connected ...

    Text Solution

    |

  12. An electric lamp which runs at 40V and consumes 10A current is connec...

    Text Solution

    |

  13. In the figure shown i=10e^(-4t)A. Find VL and V(ab)

    Text Solution

    |

  14. In the figure shown, i(1)=10e^(2t)A , i(2)=4A and V(c)=3e^(-2t)V Deter...

    Text Solution

    |

  15. When 100 DC is applied across a solenoid, a steady current of 1A flows...

    Text Solution

    |

  16. In a circuit a resistance of 40Omega and capacitor of capacitance (125...

    Text Solution

    |

  17. A 12Omega resitance and an inductance of 0.05/ piH with negligible res...

    Text Solution

    |

  18. An AC source of angular frequency omega is fed across a resistor R and...

    Text Solution

    |

  19. In a series RL circuit with L=(175)/(11)mH and R=12Omega and AC source...

    Text Solution

    |

  20. A 200km long telegraph wire has capacitance of 0.014 mu F//km If it ca...

    Text Solution

    |