Home
Class 12
PHYSICS
If the cell of emf 5 volt shown in the f...

If the cell of emf 5 volt shown in the figure gives a power of 10W. Q, find the powers consumed by the resistors `2 Omega` and `1 Omega`

A

`2W, 18W`

B

`8W, 49W`

C

`8W, 18W`

D

`2W, 49W`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • HEATING EFFECT OF CURRENT

    CENGAGE PHYSICS|Exercise Calculating Thermal Power in Resistance|14 Videos
  • GRAVITATION

    CENGAGE PHYSICS|Exercise Question Bank|39 Videos
  • INDUCTANCE

    CENGAGE PHYSICS|Exercise Concept Based|9 Videos

Similar Questions

Explore conceptually related problems

If the cell of emf 5 volt shown in the figure gives a power of 10 Q, find the powers consumed by the resistors 2 Omega and 1 Omega

The power dissipated 6 Omega resistor is

Power dissipated in 4 Omega resistor is :

A cell of emf 2 volt and internal resistance 1.5 Omega is connected to the ends of 1 m long wire. The resistance of wire is 0.5 Omega/m . Find the value of potential gradient on the wire.

Assertion : Peak value of current in AC through a resistance of 10 Omega is 2 A . Then, power consumed by the resistance should be 20 W . Reason : Power in AC is P=I_("rms")^2R

For the circuit shown in the figure, the current in the 4 Omega resistor is

In the circuit shown in figure-3.392, find the power supplied by 10 V battery and thermal power dissipated in 10 Omega resistance.

If in the circuit shown in Fig. 7.55 , power dissipation is 150 W , then find the value of R ( "in" Omega) .

CENGAGE PHYSICS-HEATING EFFECT OF CURRENT-Thermal Power in Resistance Connected in Circuit
  1. In the circuit shown in fig the heat produced in the 5 ohm resistor du...

    Text Solution

    |

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

    Text Solution

    |

  3. In the circuit as shown in the figure, the heat produced by 6 ohm resi...

    Text Solution

    |

  4. The resistance of a heater coil is 110 ohm. A resistance R is connecte...

    Text Solution

    |

  5. Four identical electrical lamps are labelled 1.5 V 0.5 A which describ...

    Text Solution

    |

  6. If the cell of emf 5 volt shown in the figure gives a power of 10W. Q,...

    Text Solution

    |

  7. (A) Consider circuit in figure. How much energy is absorbed by electro...

    Text Solution

    |

  8. Battery shown in figure has e.m.f. E and internal resistance r. Curren...

    Text Solution

    |

  9. Two identical electric lamps marked 500 W, 220 V are connected in seri...

    Text Solution

    |

  10. Figure 7.37 shows a network of three resistances. When some potential...

    Text Solution

    |

  11. If the length of the filament of a heater is reduced by 10%, the power...

    Text Solution

    |

  12. The resistance of the filament of a lamp increases with the increase i...

    Text Solution

    |

  13. In the following circuit, 18Omega resistor develops 2J/sec due to curr...

    Text Solution

    |

  14. For ensuring dissipation of same energy in all three resistors (R(1), ...

    Text Solution

    |

  15. The resistance of the filament of an electric bulb changes with temper...

    Text Solution

    |

  16. An electric bulb rated for 500 W at 100 V is used in a circuit having ...

    Text Solution

    |

  17. The wiring of a house has resistance 6 Omega A 100 W bulb is glowing. ...

    Text Solution

    |

  18. In the following circuit, 5Omega resistor develops 45 J/s due to curre...

    Text Solution

    |

  19. Consider a resistor of uniform cross-sectional area connected to a bat...

    Text Solution

    |

  20. A variable current flows through a 1Omega resistor for 2 s. Time depe...

    Text Solution

    |