Home
Class 12
PHYSICS
A coil of self-inductance ((1)/(pi)) H i...

A coil of self-inductance `((1)/(pi)) H` is connected is series with a `300 Omega` resistance. A voltage of `200 V` at frequency `200 Hz` is applied to this combination. The phase difference between the voltage and the current will be

A

`tan^(-1) ((4)/(3))`

B

`tan^(-1) ((3)/(4))`

C

`tan^(-1) ((1)/(4))`

D

`tan^(-1) ((5)/(4))`

Text Solution

Verified by Experts

The correct Answer is:
1
`tan theta = (2 pi f L)/(R )," "f = (1)/(2 pi sqrt(LC))`
Promotional Banner

Topper's Solved these Questions

  • ALTERNATING CURRENT

    NARAYNA|Exercise LEVEL - II (C.W)|11 Videos

  • ALTERNATING CURRENT

    NARAYNA|Exercise LEVEL - III (C.W)|24 Videos

  • ALTERNATING CURRENT

    NARAYNA|Exercise Assertion & Reason|14 Videos

  • ATOMIC PHYSICS

    NARAYNA|Exercise LEVEL-II (H.W)|14 Videos

Similar Questions

Explore conceptually related problems

An ideal inductor of (1//pi) is connected in series with a 300gamma resistor If a 20V.200H_(z) ac source is connected across the combination the phase difference between the voltage and the current is .

In a LCR series circuit, if the phase difference between applied voltage and current is zero then

A coil having an inductance of 1//pi henry is connected in series with a resistance of 300 Omega . If 20 volt from a 200 cycle source are impressed across the combination, the value of the phase angle between the voltage and the current is :

In inductance of (4//pi) H and the resistor R, are connected in series and an alternating emf of frequency 50 Hz is applied across combination. If phase difference between applied emf and current is 45^(@) then the value of R is

An Ac voltage V=V_0 sin 100t is applied to the circuit, the phase difference between current and voltage is found to be pi/4 , then .

A capacitor of capacitance 2 muF and resistance of 100 Omega are connected in series and an alternating emf of frequency 1 kHz is applied across the combination. The phase difference between applied emf and current is nearly

A coil of resistance 300 Omega and inductance 1.0 henry is connected across an voltages source of frequency 300//2pi Hz . The phase difference between the voltage and current in the circuit is

A coil of resistance 500 Omega and inductance 1.4 H is connected to an alternating voltage supply of frequency 100 //pi Hz. What is the phase difference between the voltage and current in the circuit ?

A resistance of 10Omega , an inductance of ((2)/(pi)) henry and a capacitor of ((1)/(pi)) mu F are connected in series with mains line of 110V and 50Hz . The phase difference between the voltage and current will be

NARAYNA-ALTERNATING CURRENT-LEVEL - I (C.W)
  1. The peak value A.C is 2 sqrt(2)A. It's apparent value will be

    Text Solution

    |

  2. Alternating current in circuit is given by I = I(0) sin 2 pi nt. Then ...

    Text Solution

    |

  3. Using an ac voltmeter, the potential difference in the electrical line...

    Text Solution

    |

  4. A mixer of 100 Omega resistance is connected to an A.C source of 200 V...

    Text Solution

    |

  5. The equation of an alternating voltage is E = 220 sin (omega t + pi //...

    Text Solution

    |

  6. A steady P.D of 10 V produces heat at a rate 'x' in resistor. The peak...

    Text Solution

    |

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

    Text Solution

    |

  8. A 120 volt AC source is connected across a pure inductor of inductance...

    Text Solution

    |

  9. A transformer steps an A.C voltage from 230 V ot 2300 V. If the number...

    Text Solution

    |

  10. The transformer ratio of a transformer is 5. If the primary voltage of...

    Text Solution

    |

  11. A step-up transformer works on 220 V and gives 2 A to an external resi...

    Text Solution

    |

  12. A coil of self-inductance ((1)/(pi)) H is connected is series with a 3...

    Text Solution

    |

  13. A condenser of 10 mu F and an inductor of 1 H are connected in series ...

    Text Solution

    |

  14. A 100 km telegraph wire hasd capacity of 0.02 mu F//km, if it carries ...

    Text Solution

    |

  15. In an LCR series circuit the rms voltages across R,L and C are foundd ...

    Text Solution

    |

  16. In the circuit shown, a 30 V d.c. source gives a current 2.0 A as reco...

    Text Solution

    |

  17. A choke coil has negligible resistance. The alternating potential drop...

    Text Solution

    |

  18. In an AC circuit, the instantaneous values of e.m.f and current are e...

    Text Solution

    |

  19. In a black box of unknown elements (L or R or any other combination), ...

    Text Solution

    |

  20. The voltage time (V-t) graoh for triangular wave having peak value (V0...

    Text Solution

    |