Home
Class 12
PHYSICS
A capacitance C, a resistance R and an e...

A capacitance `C`, a resistance R and an emf `(epsilon)`are connected in series at t=0.What is the maximum value of (a) the potential difference across the resistor, (b) the current in the circuit,(c )the potential difference across the capacitor, (d) the energy stored in the capacitor ,(e)the power delivered by the battery and (f) the power converted int heat.

Text Solution

Verified by Experts

(a) Potential diff. = `epsilon across resister`
(b) Current in circuit = `epsilon /r`
` (c) Potential diff. across capacitor = epsilon / r `
`(d) Energy stored in capacitor = 1/2 Cepsilon ^2 `
` (e) power delivered by battery = epsilon^2 / r `
` (f) Power converted to heat = epsilon^2/r` .
Promotional Banner

Topper's Solved these Questions

  • ELECTRIC CURRENT IN CONDUCTORS

    HC VERMA|Exercise objective 2|9 Videos
  • DISPERSION AND SPECTRA

    HC VERMA|Exercise Exercises|11 Videos
  • ELECTRIC CURRENT THROUGH GASES

    HC VERMA|Exercise Exercise|23 Videos

Similar Questions

Explore conceptually related problems

For the given capacitor configuration (a) Find the charges on each capacitor (b) potential difference across them ( c) energy stored in each capacitor .

Two capacitors of capacitances 20 .0pF and 50.0pF are connected in series with a 6.00V battery . Find (a )the potential difference across each capacitor and (b) the energy stored in each capacitor .

A battery has an emf of 12 V and connected to a resistor of 3Omega . The current in the circuit is 3.93 A. Calculate (a) terminal voltage and the internal resistance of the battery (b) power delivered by the battery and power delivered to the resistor.

Three capacitor each of capacitance 9 pF are connected in series What is the potential difference across each capacitor, if the combination is connectedto a 120 V supply.

An inductor of inducance 5.0 H, having a negligible resistance, is connected in series with a 100 Omega resistor and a battery of emf 2.0 V. Find the potential difference across the resistor 20 ms after the circuit is switched on.

A capacitor is connected to a 12 V battery through a resistance of (10Omega) .It is found that the potential difference across the capacitor rises to 4.0 V in 1(mu)s. find the capacitance of the capacitor.

Three capacitors each of capacitance 9pF are connected in seris a. What is the total capacitance of the combination? (b). What is the potential difference across each capacitor if the combination is connected a 120V supply?

A capacitor charged to 50 V is discharged by connecting the two plates at t=0 .If the potential difference across the plates drops to 1.0 V at t=10 ms,what will be the potential difference at t=20 ms?

Fig. Show a rectangular loop MNOP being pulled out of a magnetic field with a uniform velocity v by applying an external force F. The length MN is equal to l and the total resistance of the loop is R. Find(a) the current in the loop,(b) the magnetic force on the loop, (c) the external force F needed to maintain the velocity, (d) the power delivered by the external force and (e) the thermal power developed in the loop.

HC VERMA-ELECTRIC CURRENT IN CONDUCTORS-Exercises
  1. Find the charge on the four capacirtors of capacitances 1(mu)F,2(mu)F,...

    Text Solution

    |

  2. find the potential difference between th point A and B and between the...

    Text Solution

    |

  3. A capacitance C, a resistance R and an emf (epsilon)are connected in s...

    Text Solution

    |

  4. A parallel-plate capacitor with plate are 20cm^(2)and plate separation...

    Text Solution

    |

  5. A capacitor of capacitance 10(mu)F is connected to a battery of emf 2V...

    Text Solution

    |

  6. A 20(mu)Fcapacitor is joined to a battery of emf 6.0V through a resist...

    Text Solution

    |

  7. The plates of a capacitor of capacitance 10(mu)F,charged to 60(mu)C,ar...

    Text Solution

    |

  8. A capacitor of capacitance 8.0(mu)F is connected to a bettery of emf 6...

    Text Solution

    |

  9. A parallel-plate capacitor of plate area 40 cm^2 and separation betwee...

    Text Solution

    |

  10. A parallel-plalte capacitor has plate area 20cm^(2),plate separation 1...

    Text Solution

    |

  11. A 100(mu)F capacitor is joined to a 24 V battery through a 1.0 M(Omega...

    Text Solution

    |

  12. How many time constants will elapse before the current in a charging R...

    Text Solution

    |

  13. How many time constants will elapse before the charge on a capacitor f...

    Text Solution

    |

  14. How many time constants will elapse before the energy stored in the ca...

    Text Solution

    |

  15. how many time constants will elapse before the power delovered by the ...

    Text Solution

    |

  16. A capacitor of capacitance C is connected to a battery of emf (epsilon...

    Text Solution

    |

  17. A capacitor of capacitance 12(mu)Fis connected to a battery of emf 6.0...

    Text Solution

    |

  18. A capacitance C charged to a potential difference V is discharged by c...

    Text Solution

    |

  19. By evaluating int i^(2)Rdt,show that when a capacitor is charged by co...

    Text Solution

    |

  20. A parallel-plate capacitor is filled with a delectric meterial having ...

    Text Solution

    |