Home
Class 10
PHYSICS
A current of 1.5 A flows through a wire ...

A current of 1.5 A flows through a wire of `8 Omega` Find the amount of heat produced in 10 seconds.

Text Solution

Verified by Experts

The correct Answer is:
180 J or 43 cal
Promotional Banner

Topper's Solved these Questions

  • MAGNETIC EFFECT OF ELECTRIC CURRENT

    HC VERMA|Exercise QUESTION BANK |30 Videos

Similar Questions

Explore conceptually related problems

A current of 1.8 A flows through a wire of cross-sectional area 0.5 mm^(2) ? Find the current density in the wire. If the number density of conduction electrons in the wire is 8.8 xx 10^(28) m^(-3) , find the drift speed of electrons.

A direct current of 2A and an AC of peak value 2A flows through resistances 2Omega and 1Omega respectively. Find the ratio of heat produced in the two resistances in same interval.

A constant current of 4A passes through a wire for 8s . Find total charge flowing through that wire in the given time interval.

In the circuit shown in Fig.6.2, the heat produced in 5Omega resistor, due to the current flowing through it is 10 calorie per second. Find the heat produced in 4Omega resistor.

In the circuit shown in Fig.6.2, the heat produced in 5Omega resistor, due to the current flowing through it is 10 calorie per second. Find the heat produced in 4Omega resistor.

A steady current I flows through a wire of radius r, length L and resistivity rho . The current produced heat in the wire. The rate of heat loss in a wire is proportional to its surface area. The steady temperature of the wire is independent of–

A wire made of aluminum having resistivity rho = 2.8 xx10^(-8) Omega - m with a circular cross - section and has a radius of 2xx10^(-3) m. A current of 5 A flows through the wire . If the voltage difference between the ends is 1 V , the length of the wire in m is

An electric current of 4.0A flows through a 12Omega resistor. What is the rate at which heat energy is produced in the resistor?

If the current flowing through a fixed resistor is halved, the heat produced in it will become:

HC VERMA-DISPERSION AND SCATTERING OF LIGHT-QUESTION BANK
  1. Figure 4.E5 shows a part of an electric circuit. The reading of the am...

    Text Solution

    |

  2. A 12 -V battery connected to a bulb drives a current of 2.0 A through ...

    Text Solution

    |

  3. A current of 1.5 A flows through a wire of 8 Omega Find the amount of ...

    Text Solution

    |

  4. A current of 2A produces 200J of heat in a wire in a given period of t...

    Text Solution

    |

  5. A bulb is rated 5.0 V, 100 mA. Calculate its rated power and resistanc...

    Text Solution

    |

  6. Calculate the resistance of a bulb rated 40 W ,230 V when in On condi...

    Text Solution

    |

  7. Calculate the current 10Omega and 20Omega are joined in series. A pote...

    Text Solution

    |

  8. Two resistors of resistances 10 Omega and 20 Omega are joined in serie...

    Text Solution

    |

  9. Two resistors of resistances 10 Omega and 20 Omega are joined in paral...

    Text Solution

    |

  10. Calculate the energy consumed in kilowatt hours by a 60-W fan in 2 hou...

    Text Solution

    |

  11. A heater draws 1100 W at 220 V. Find the resistance of the heater when...

    Text Solution

    |

  12. A heater draws 1100 W at 220 V.Calculate the kilowatt hours consumed i...

    Text Solution

    |

  13. A bulb used in a car is rated 12 V, 48 W. Find the energy consumed in ...

    Text Solution

    |

  14. A bulb used in a car is rated 12 V, 48 W. Find the energy consumed in ...

    Text Solution

    |

  15. The potential at a point is 20 V. The work done in bringing a charge o...

    Text Solution

    |

  16. A negative charge released from a point A moves along the line AB. Th...

    Text Solution

    |

  17. A charge is taken a point A to a point B. The work done per unit charg...

    Text Solution

    |

  18. Joule/coulomb is the same as

    Text Solution

    |

  19. A voltmeter is used to measure

    Text Solution

    |

  20. On which of the following no plus' or 'minus' sign is marked ?

    Text Solution

    |