Home
Class 12
PHYSICS
In given circuit initially switch S(w(1)...

In given circuit initially switch `S_(w_(1))` is closed and `S_(w_(2))` is open, Now `S_(w_(1))` is opened and `S_(w_(2))` is closed, what is the heat liberated in resistance R?

Text Solution

Verified by Experts

Heat loss `=(1)/(2)CV^(2)`
Promotional Banner

Topper's Solved these Questions

  • CIRCULAR MOTION

    ALLEN|Exercise EXERCISE (J-A)|6 Videos
  • GEOMETRICAL OPTICS

    ALLEN|Exercise subjective|14 Videos

Similar Questions

Explore conceptually related problems

At any time S_(1) switch is opened and S_(2) is closed then find out heat generated in circuit.

Initally switch S_(1) is closed, after a long time, S_(1) is opened and S_(2) is closed. Find the heat produced in coil after long time.

At any time S1 switch is opened and S2 is closed then find out heat generated in circuit.

In given circuit initially switch S_(1) is closed for long time and then opened and now S_(2) is closed. The total energy dissipated in 4 Omega resistor is equal to :-

In the given circuit, initially switch S_(1) is closed, and S_(2) and S_(3) are open. After charging of capacitor, at t = 0 , S_(1) is opened and S_(2) and S_(3) are closed. If the relation between inductance, capacitance and resistance is L = 4 CR^(2) , tehn find the time (in s) after which current passing through capacitor and inductor will be same (given R = In2 m Omega,L = 2 mH )

In the circuit shown in figure, switch S is initially closed and S is open. Find V-V

Consider the network shown in initially, the switch S_(1) is closed and S_(2) is open. a. Calculate V_(A) - V_(B). b. When S_(2) is also closed, what is V_(A) - V_(B) i. just after closing , ii. After long time.

In the circult shown the switch S_(1) is closed at time t=0 and the swith S_(2) is kept open. At some later time (t_(0)) ,the swith S_(1) is opened and S_(2) is closed .The behaviour of the current I as a function of time 't' is given by :

ALLEN-CURRENT ELECTRICITY-All Questions
  1. A heater takes 50 minute to boil a given amount of water, its coil is ...

    Text Solution

    |

  2. There are two separate coils in a heater . If one col is used then it ...

    Text Solution

    |

  3. In given circuit initially switch S(w(1)) is closed and S(w(2)) is ope...

    Text Solution

    |

  4. A dry cell of emf 1.5V and internal resistance 0.10 Omega is connecte...

    Text Solution

    |

  5. A thermocouple produces a thermo emf of 40muV//.^(@)C. A thermopile i...

    Text Solution

    |

  6. The thermo emf of a thermocouple is given by E=alpha(theta-theta(g))+b...

    Text Solution

    |

  7. With the cold junction at 0^(@)C the neutral temperature for a thermo-...

    Text Solution

    |

  8. Thermo e.m.f. E of a Cu-Fe thermocouple varies with the temperature th...

    Text Solution

    |

  9. With the cold junction at 0^(@)C the neutral temperature for a thermo-...

    Text Solution

    |

  10. Give the direction of thermoelectric current (i) at the cold junction ...

    Text Solution

    |

  11. A constant voltage is applied between the two ends of a uniform metall...

    Text Solution

    |

  12. When two electric bulbs of 40W and 60W are connected in parallel, then...

    Text Solution

    |

  13. When a current flows in a wire of resistance R at a constan t potentia...

    Text Solution

    |

  14. Water boils in an electric kettle in 15 minutes after switching on. If...

    Text Solution

    |

  15. A coil develops heat of 800 cal / sec . When 20 volts is applied acros...

    Text Solution

    |

  16. A toster and a light bulb-connected in parallel. The toster produces m...

    Text Solution

    |

  17. An electric bulb is rated at 220V, 100W. What is its resistance?

    Text Solution

    |

  18. A heating coil can heat the water of a vessel from 20^(@)C to 60^(@)C ...

    Text Solution

    |

  19. A lamp of 100 W and a heater of 1 kW are in simultaneous use for 10 ho...

    Text Solution

    |

  20. The temperature of the cold junction of thermo-couple is 0^(@)C and th...

    Text Solution

    |