Home
Class 12
PHYSICS
In following diagram boxes may contain r...

In following diagram boxes may contain resistor or battery or any other element

then determine in each case
(a) E.M.f. of battery
(b) Battery is acting as a source or load
(c) Potential difference across each battery

Text Solution

Verified by Experts

The correct Answer is:
(a) E=10 V each
(b) (A) act as a source and (B) act as load
( c) `V_(A)=9V, V_(B)=11V`
(d) `P_(A)=9W, P_(B)=11W`
( e) Heat rate = 1 W each
(f) 10 W each
(g) 9V, 11V
(h) -9W, 11 W
Promotional Banner

Topper's Solved these Questions

  • CURRENT ELECTRICITY

    RESONANCE ENGLISH|Exercise Exercise-1 (Part-2)|47 Videos

  • CURRENT ELECTRICITY

    RESONANCE ENGLISH|Exercise Exercise-1 (Part-3)|2 Videos

  • CURRENT ELECTRICITY

    RESONANCE ENGLISH|Exercise Solued miscellaneous Prolblems|8 Videos

  • COMMUNICATION SYSTEMS

    RESONANCE ENGLISH|Exercise Exercise 3|13 Videos

  • DAILY PRACTICE PROBLEM

    RESONANCE ENGLISH|Exercise DPP.No.71|1 Videos

Similar Questions

Explore conceptually related problems

Can the potential difference across a battery be greater than its emf?

State how are the two resistors joined with a battery in each of the following cases when : potential difference is same across each resistor,

Three resistors are connected to a 6 V battery as shown in the figure Calculate: potential difference across the 7.2 ohm resistor

Three resistors are connected to a 6 V battery as shown in the figure given below : Calculate : potential difference across the 7.2Omega resistor.

A car battery with a 12V e.m.f. and an internal resistance of 0.04 Omega is being charged with a current of 50A. The potential difference V across the terminals of the battery are:

A car battery of emf 12V and internal resistance 0.05 omega receives a current of 60 A from an external source, then the terminal potential difference of the battery is

A circuit containing five resistors is connected to a battery with a 12 v emf as shown in figure. The potential difference across 4 Omega resistor is

Four resistors are connected as shown in the figure. A 6 V battery of negligible resistance is connected across terminal battery of negligible resistance A and C. The potential difference across terminal B and D will be

Assertion : Potential difference across the terminals of a battery is always less than the emf of the battery. Reason : During discharging of a battery potential differnce across to terminals of a battery is V = E -ir therefore V lt E

A battery of six cells each of e.m.f . 2V and internal resistance 0.5Omega is being charged by D.C. mains of e.m.f. 220V by using an external resistance of 10Omega . What is the potential difference across the battery?

RESONANCE ENGLISH-CURRENT ELECTRICITY-Exercise-1 (Part-1)
  1. If a copper wire is stretched to make it 0.1% longer what is the perce...

    Text Solution

    |

  2. A rectangular carbon block has dimensions 1.0 cmxx 1.0 xx50 cm. (i) ...

    Text Solution

    |

  3. In following diagram boxes may contain resistor or battery or any othe...

    Text Solution

    |

  4. The figure shows the current I in a single-loop circuit with a battery...

    Text Solution

    |

  5. A car has a fresh storage battery of emt 12 V and internal resistance ...

    Text Solution

    |

  6. One kilowatt electric heater is to be used with 220V d.c. supply. (i...

    Text Solution

    |

  7. In following circuit potential at point 'A' is zero then determine ...

    Text Solution

    |

  8. For the circuit shown in figure, find the voltage acrss 10Omega resist...

    Text Solution

    |

  9. A resistor develops 400J of thermal energy in 10 s when a current of 2...

    Text Solution

    |

  10. Find the current in 10Omega resistcance, V(1) and source voltage V(s) ...

    Text Solution

    |

  11. Two electric bulbs, each designed to operate with a power of 500W in 2...

    Text Solution

    |

  12. Two (non-physics) students, A and B living in neighboring hostel room...

    Text Solution

    |

  13. All resistances in fig. 5.34 are in ohm. Find the effective resistance...

    Text Solution

    |

  14. In the given circuit determine (a) Equivalent resistance (Including...

    Text Solution

    |

  15. In given circuit determine (a) Equivalent resistance (Including int...

    Text Solution

    |

  16. Determine the potential difference between X and Y in the circuit show...

    Text Solution

    |

  17. Find the equivalent resistance of the circuit given in figure between ...

    Text Solution

    |

  18. An infinite ladder is constructed with 1(Omega)and 2(Omega)resistor as...

    Text Solution

    |

  19. As shown in figure a variable rheostat of 2kOmega is used to control t...

    Text Solution

    |

  20. ABCD is a square where each side is a uniform wire of resistance 1Omeg...

    Text Solution

    |