Home
Class 12
PHYSICS
Three identical bulbs P, Q and R are con...


Three identical bulbs P, Q and R are connected to a battery as shown in the figure. When the circuit is closed.

A

Q and R will be brighter than P

B

Q and R will be dimmer than P

C

all the bulbs will be equally bright

D

Q and R will not shine at all

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • CURRENT ELECTRICITY

    NARAYNA|Exercise Level 1 C.W|64 Videos

  • CURRENT ELECTRICITY

    NARAYNA|Exercise Level 1 H.W|63 Videos

  • CURRENT ELECTRICITY

    NARAYNA|Exercise Level 6|43 Videos

  • COMMUNICATION SYSTEM

    NARAYNA|Exercise Level-II(H.W)|25 Videos

  • DUAL NATURE OF RADIATION AND MATTER

    NARAYNA|Exercise ASSERTION AND REASON|15 Videos

Similar Questions

Explore conceptually related problems

A circuit consists of three identical lamps connected to a battery as shown in the figure. When the switch S is closed then the intensities of lamps A and B

A circuit consists of three identical lamps connected to a battery as shown in figure. When the switch S is closed then the intensities of lamps A and B

An inductor L , a resistanece R and two identical bulbs, B_(1) and B_(2) are connected to a battery through a switch S as shown in the figure. The resistance R is the samem as that of the coil that makes L .Which of the following statement gives the correct description of the happenings when the switch S is closed

An inductor L, a resistanc eR and two identical bulbs B_(1) and B_(2) are connected to a battery through a switch S as shown in the figure . The resistance of coil having inductance L is also R. Which of the following statement gives the corrrect description of the happenings when the switch S is closed?

Three identical bulbs B_(1),B_(2) and B_(3) are connected to the mains as shown in figure. If B_(3) is disconnected for the from the circuit by opening switch S, then incandescence of bulb B_(1) will . ,

Three capacitors each of capacitance C = 2muF are connected with a battery of emf 30 V as shown in the figure . When the switch S is closed , the heat generated in the circuit will be

Three bulbs A, B, C are connected in a circuit as shown in Figure 14.2. When the switch is ‘ON’

Three capacitors (of capacitances C , 2C and 3C ) and three resistors (of resistance R , 2R and 3R ) are connected with a battery and switch S as shown in the figure. When switch S is open, charges on the capacitors are shown. Switch S is closed at t=0 sec . The time constant of the circuit will be

NARAYNA-CURRENT ELECTRICITY-C.U.Q
  1. Two lamps have resistance r and R, R being greater than r. If they are...

    Text Solution

    |

  2. Two bulbs are fitted in a room in the domestic electric installation. ...

    Text Solution

    |

  3. Three identical bulbs P, Q and R are connected to a battery as shown i...

    Text Solution

    |

  4. Figure 7.44 shows three similar lamps L(1) , L(2), and L(3) connectged...

    Text Solution

    |

  5. The potential difference across a conductor is doubled, the rate of ge...

    Text Solution

    |

  6. Two metallic wires of same material and same length have different dia...

    Text Solution

    |

  7. There are two metallic wires of same material, same length but of diff...

    Text Solution

    |

  8. Two electric bulbs rated P(1) watt and V volt, are connected in series...

    Text Solution

    |

  9. In above question, if the bulbs are connected in parallel, total power...

    Text Solution

    |

  10. Which of the following causes production of heat, when current is set ...

    Text Solution

    |

  11. A constant voltage is applied between the two ends of a metallic wire ...

    Text Solution

    |

  12. A resistor R(1) dissipates the power P when connected to a certain gen...

    Text Solution

    |

  13. Back emf of a cell is due to

    Text Solution

    |

  14. The direction of current in a cell is

    Text Solution

    |

  15. When an electric cell drives current through load resistance, its back...

    Text Solution

    |

  16. The terminal voltage of a cell is greater tha its emf. When it is

    Text Solution

    |

  17. What is constant in a battery (also called a source of emf)?

    Text Solution

    |

  18. From the following the standard cell is

    Text Solution

    |

  19. A cell is to convert

    Text Solution

    |

  20. n identical calls, each of internal resistance (r) are first connected...

    Text Solution

    |