Home
Class 12
PHYSICS
If the value of potential is an a.c, cir...

If the value of potential is an a.c, circuit is 10 V. Then what is the peak value of potential ?

A

`10/sqrt2`

B

`10sqrt2`

C

`20sqrt2`

D

`20/sqrt2`

Text Solution

Verified by Experts

The correct Answer is:
B

`V_m=sqrt2xxV`
`=sqrt2xx10`
`therefore V_m=10sqrt2`V
Promotional Banner

Topper's Solved these Questions

  • ALTERNATING CURRENTS

    KUMAR PRAKASHAN|Exercise SECTION-D MCQs (COMPETITIVE EXAMS)|64 Videos
  • ALTERNATING CURRENTS

    KUMAR PRAKASHAN|Exercise SECTION-C NCERT EXEMPLAR (Long Answer)|5 Videos
  • ATOMS

    KUMAR PRAKASHAN|Exercise Section-D -MCQs asked in GUJCET / Board Exam|34 Videos

Similar Questions

Explore conceptually related problems

(a) The peak voltage of an ac supply is 300 V. What is the rms voltage? (b) The rms value of current in an ac circuit is 10 A. What is the peak current?

(a) The peak voltage of an ac supply is 300V. What is the rms voltage ? The rms value of current in an circuit is 10V. What is the peak current ?

If E_0 represents the peak value of the voltage in an a.c. circuit, the rms value of the voltage will be ......

An inductance of (200/pi) mH, a capacitance of (10^(-3)/pi)F and a resistance of 10 Omega are connected in series with an a.c. source 220 V, 50Hz. Then what is the phase angle of the circuit ?

In an A.C. circuit, a resistance of R Omega connected in series with an inductance If phase angle between voltage and current 45^@ . Then what will be the value of inducti reactance ?

Usually in A.C. circuit ……..

A circuit containing a 80 mH inductor and a 60 muF capacitor in series is connected to a 230 V, 50 Hz supply. The resistance of the circuit is negligible. (a) Obtain the current amplitude and rms values. (b) Obtain the rms values of potential drops across each element. (c) What is the average power transferred to the inductor? (d) What is the average power transferred to the capacitor? (e) What is the total average power absorbed by the circuit? [‘Average’ implies ‘averaged over one cycle’.]

A 100 Omega resistor is connected to a 220 V, 50 Hz ac supply. (a) What is the rms value of current in the circuit? (b) What is the net power consumed over a full cycle?

A 100 Omega resistor is connected to a 200V, 50 Hz ac supply. (a) What is the rms value of current in the circuit ? (b) What is the net power consumed over a fully cycle ?

KUMAR PRAKASHAN-ALTERNATING CURRENTS -SECTION-D MCQs (DARPAN BASED ON TEXTBOOK)
  1. The ratio of primary and secondary turns in a transformer is 3:2, if 3...

    Text Solution

    |

  2. If current is not obtained from secondary coil of an ideal transformer...

    Text Solution

    |

  3. If number of turns in primary and secondary coils is increased to two ...

    Text Solution

    |

  4. If for an ideal step-up transformer current in primary is IP and curre...

    Text Solution

    |

  5. A transformer has an efficiency of 80%. It works at 100V and 4kW. If s...

    Text Solution

    |

  6. For step-down transformer value of transformation ratio is ……….

    Text Solution

    |

  7. In a step-up transformer, use of 120 V line provides a potential diffe...

    Text Solution

    |

  8. In a noiseless transformer, an alternating current of 2A is flowing in...

    Text Solution

    |

  9. A low loss transformer has 250 V applied to primary and gives 4.6 V in...

    Text Solution

    |

  10. In an ideal transformer, the voltage is stepped down from 11 kV to 220...

    Text Solution

    |

  11. The ratio of number of turns in primary and secondary coil of a transf...

    Text Solution

    |

  12. The number of turns in primary and secondary of a transformer are 1000...

    Text Solution

    |

  13. A transformer is having 2100 turns in primary and 4200 turns in second...

    Text Solution

    |

  14. Transformer are used in ……….

    Text Solution

    |

  15. A step-up transformer is used on a 120V line to provide a potential di...

    Text Solution

    |

  16. The power is transmitted from a power house on high voltage a.c. becau...

    Text Solution

    |

  17. Number of turns in the primary coil and the secondary coil of an ideal...

    Text Solution

    |

  18. In one series A.C. circuit, maxima of current and voltage occur at the...

    Text Solution

    |

  19. When A.C. current with frequency v is passed through series connection...

    Text Solution

    |

  20. If the value of potential is an a.c, circuit is 10 V. Then what is the...

    Text Solution

    |