Home
Class 12
PHYSICS
An ideal inductor takes a current of 10A...

An ideal inductor takes a current of 10A when connected to a 125V, 50 Hz ac supply. A pure resistor across the same source takes 12.5 A. If the two are connected in series across a 100V, 40 Hz supply, the current through the circuit will be

A

`7A`

B

12.5 A

C

20 A

D

25 A

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • ALTERNATING CURRENT

    AAKASH SERIES|Exercise EXERCISE - II|26 Videos

  • APPENDICES ( REVISION EXERCISE )

    AAKASH SERIES|Exercise REVISION EXERCISE (MOVING CHANGES & MEGNETISM)|95 Videos

Similar Questions

Explore conceptually related problems

A 100 Omega resistor is connected to a 220 V. 50 Hz ac supply. What is the rms value of current in the circuit ?

A 100 Omega resistor is connected to a 220 V. 50 Hz ac supply. What is the net power consumed over a full cycle ?

A 44 mH inductor is connected to 220 V, 50 Hz ac supply. Determine the rms value of current in the circuit.

A 50 mu F capacitor is connected to a 100 V, 50 Hz a.c. supply. Determine the rms value of the current in the circuit.

A 100 mu F capacitor in series with a 40 Omega resistance is connected to a 110V. 60 Hz supply. What is the maximum current in the circuit ?

A 60 mu F capacitor is connected to a 110 V, 60 Hz ac supply. Determine the rms value of the current in the circuit.

AAKASH SERIES-ALTERNATING CURRENT-EXERCISE - III
  1. The instantaneous values of alternating current and voltages in a circ...

    Text Solution

    |

  2. When a coil is connected to a D.C source of emf 12V, a current of 4 am...

    Text Solution

    |

  3. An ideal inductor takes a current of 10A when connected to a 125V, 50 ...

    Text Solution

    |

  4. An idial choke takes a current of 8A when connected to an a.c source o...

    Text Solution

    |

  5. When 100V DC is applied across a solenoid, a current of 1A flows in it...

    Text Solution

    |

  6. If a circuit made up of a resistance 1 and inductance 0.01H, and alter...

    Text Solution

    |

  7. In an L-R circuit, the inductive reactance is equal to the resistance ...

    Text Solution

    |

  8. An alternating voltage E = 200sqrt(2)sin(100t)V is connected to a 1muF...

    Text Solution

    |

  9. At a frequency omega(0) the reactance of a certain capacitor equals th...

    Text Solution

    |

  10. What is the resistance to be connected in series with a condenser of a...

    Text Solution

    |

  11. An LCR series circuit consists of a resistance of 10omega, a capacitor...

    Text Solution

    |

  12. An L-C-R series circuit with 100 2 resistance is connected to an A.C s...

    Text Solution

    |

  13. An A.C. circuit contains a resistor 'R', an inductor 'L' and a capacit...

    Text Solution

    |

  14. When an ac source of emf E = E(0) Sin (100pit) is connected across a c...

    Text Solution

    |

  15. An electric lamp designed for operation on 110 V AC is connected to a2...

    Text Solution

    |

  16. In a series LCR circuit the frequency of a 10V, AC voltage source is a...

    Text Solution

    |

  17. A circuit containing resistance R(1), inductance L(1) and capacitance ...

    Text Solution

    |

  18. An LCR circuit has 1= 10mH, R = 3Omega" and "C = 1muF connected in ser...

    Text Solution

    |

  19. In a series L-C-R circuit connected to an AC source operating at angul...

    Text Solution

    |

  20. The power in AC circuit is given by P = E("rms")I("rms") cos phi. The ...

    Text Solution

    |