Home
Class 12
PHYSICS
A coil of enamelled copper wire of resis...

A coil of enamelled copper wire of resistance `50Omega` is embedded in a block of ice and a potential difference of 210V applied across it. Calculate the rate of which ice melts. Latent heat of ice is 80 cal per gram.

Promotional Banner

Topper's Solved these Questions

  • ELECTROSTATIC FORCES, CHARGES AND FIELDS

    SL ARORA|Exercise Problems For Self Practice|1 Videos
  • MAGNETIC EFFECTS OF CURRENT

    SL ARORA|Exercise TYPE C|4 Videos

Similar Questions

Explore conceptually related problems

A coil of enamelled copper wire of resistance 50 Omega is embedded in a block of ice and a potential difference of 210 V applied across it. Calculate, how much ice will melt in half minute. Latent heat of ice is 180 cal per gram.

A coil of wire of resistance 50 Omega is embedded in a block of ice. If a potential difference of 210 V is applied across the coil, the amount of ice melted per second will be

A coil of water of resistance 50 Omega is embedded in a block of ice and a potential difference of 210 V is applied across it. The amount of ice which melts in 1 second is [ latent heat of fusion of ice = 80 cal g^(-1) ]

If a wire of resistance 20 Omega is covered with ice and a voltage of 210 V is applied across the wire , then the rate of melting of ice is

A potential difference of 100 V is applied across a wire of resistance 50 Omega for one minute. Find the heat produced in joule.

Calculate the heat in joules, generated in a coil of resistance 400 'omega' in 2 minutes when a potential difference of 200 V is applied to it.

Calculate the heat in joules, generated in a coil of resistance 400 'omega' in 2 minutes when a potential difference of 200 V is applied to it.

The entropy change in melting 1g of ice at 0^@C . (Latent heat of ice is 80 cal g^(-1) )

SL ARORA-HEATING EFFECT OF CURRENT-All Questions
  1. A thin metallic wire of resistance 100 Omega is immersed in a calorime...

    Text Solution

    |

  2. A copper electric kettle weighing 1000 g contains 900g of water at 20^...

    Text Solution

    |

  3. A coil of enamelled copper wire of resistance 50Omega is embedded in a...

    Text Solution

    |

  4. The heater coil of an elecric kettle is rated at 2000W,200V, How much ...

    Text Solution

    |

  5. A heating coil is connected in series with a resistance r. the coil is...

    Text Solution

    |

  6. A 10V battery of negligible internal resistance is charged by a 200V d...

    Text Solution

    |

  7. A dry cell of emf 1.6V and internal resistance 0.10 ohm is connected ...

    Text Solution

    |

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

    Text Solution

    |

  9. A series battery of 10 lead accumulators each of emf 2V and internal r...

    Text Solution

    |

  10. A series battery of six cells each of emf 2 V and internal resistance ...

    Text Solution

    |

  11. A battery of emf epsilon and internal resistance r is connected across...

    Text Solution

    |

  12. A 24 V battery of internal resistance 4.0 Omega is connected to a vari...

    Text Solution

    |

  13. (a) An electric motor runs on a d.c. source of emf e and internal resi...

    Text Solution

    |

  14. Two batteries each of emf epsilon and internal resistance r, are conne...

    Text Solution

    |

  15. Two wires made of tinned copper having identical cross section ( = 10^...

    Text Solution

    |

  16. A fuse with a circular cross - sectional radius of 0.15 mm blows at 1...

    Text Solution

    |

  17. In the circuit shown in Fig.6.2, the heat produced in 5Omega resistor,...

    Text Solution

    |

  18. A heater is designed to operate with a power of 1000 walts in a 100 vo...

    Text Solution

    |

  19. Four resistances carrying a current shown in Fig. 7.41 are immersed in...

    Text Solution

    |

  20. In the circuit shown in figure, the 5 Omega resistance develops 20.00 ...

    Text Solution

    |