Home
Class 12
PHYSICS
Two identical batteries, each of EMF 2V ...

Two identical batteries, each of EMF 2V and internal resistance `r =1Omega` are connected as shown. the maximum power that can be developed across R using these batteries is :

A

3.2W

B

8.2W

C

2W

D

4W

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • CAPACITANCE

    PHYSICS GALAXY - ASHISH ARORA|Exercise UNSOLVED NUMERICAL PROBLEMS|40 Videos
  • ELECTROMAGNETIC INDUCTION AND ALTERNATING CURRENT

    PHYSICS GALAXY - ASHISH ARORA|Exercise Advance MCQs|33 Videos

Similar Questions

Explore conceptually related problems

Two indentical batteries, each of emf 2V andinternal resistance r=1Omega are connected as shown. The maximum power that can be developed across R using these batteries is

Two identical batteries, each of e.m.f. 2 volt and internal resistance 1.0 ohm are available to produce heat in an external resistance R = 0.5 ohm by passing a current through it. The maximum Joulean power that can be developed across R using these batteries is

Three batteries of emf 1V and internal resistance 1 Omega each are connected as shown. Effective emf of combination between the points PQ is –

Two identical batteries each of emf E= 2 volt and internal resistance r=1 ohm are available t . produce heat in an external resistance by passing a current through it. What is the maximum power that can be developed across an external resistance R using these batteries?

A battery of emf 2V and internal resistance 0.5(Omega) is connected across a resistance in 1 second?

When two identical batteries of internal resistance 1Omega each are connected in series across a resistor R, the rate of heat produced in R is J_1 . When the same batteries are connected in parallel across R, the rate is J_2 = 2.25 J_2 then the value of R in Omega is

Four resistance are connected to a DC battery as shown in figure. Maximum power will be developed across ......... Ohm resistance.

PHYSICS GALAXY - ASHISH ARORA-CURRENT ELECTRICITY-All Questions
  1. In the given circuit, the voltmeter reads SV. The resistance of the vo...

    Text Solution

    |

  2. The wire of potentiometer has resistance 4Omega and length Im. It is c...

    Text Solution

    |

  3. Two identical batteries, each of EMF 2V and internal resistance r =1Om...

    Text Solution

    |

  4. The potential difference between points A and Bin the circuit shown in...

    Text Solution

    |

  5. Find the ratio ofcurrents as measured by ammeter in two cases when the...

    Text Solution

    |

  6. A galvanometer has a resistance of 3663Omega. A shunt Sis connected a...

    Text Solution

    |

  7. Each resistor shown in figure is an infinite network of resistance1Ome...

    Text Solution

    |

  8. Each wire shown in figure-3.321 is ofresistance R. The equivalent resi...

    Text Solution

    |

  9. Two cells A andB ofEMF 1.3V and 1.5V respectively are arranged as show...

    Text Solution

    |

  10. A students connects an ammeter A and a voltmeter V to measure a resist...

    Text Solution

    |

  11. In the circuit shown, the voltage drop across the 15Omega resistor is ...

    Text Solution

    |

  12. A source ofEMF E = l OV and having negligible internal resistance is c...

    Text Solution

    |

  13. In order to increase the resistance of a given wire of uniform cross s...

    Text Solution

    |

  14. The figure shows a meter bridge circuit with AB=100 cm, X=12 Omega and...

    Text Solution

    |

  15. A milliammeter of range 10 mA and resistance 9 Omega is joined in a ci...

    Text Solution

    |

  16. A battery of emf E0=12V is connected across a 4 m long uniform wire ha...

    Text Solution

    |

  17. In the circuit shown, keys K1 and K2 both are closed the ammeter reads...

    Text Solution

    |

  18. In the circuit shown in figure ammeter and voltmeter are ideal. If E=4...

    Text Solution

    |

  19. In the circuit shown in figure-3.331, the potential difference between...

    Text Solution

    |

  20. figure-3.332 shows a potentiometer arrangement with R(AB)= IOOmega and...

    Text Solution

    |