Home
Class 12
PHYSICS
Three cells of emf 1.5 V and internal re...

Three cells of emf 1.5 V and internal resislance `1 Omega` are connected in parallel. This combination will have the emf ....... .

A

4.5 V

B

3.0 V

C

1.5 V

D

0.5 V

Text Solution

Verified by Experts

The correct Answer is:
C

1.5 V
In parallel connection, electric potential is equal.
Promotional Banner

Topper's Solved these Questions

  • CURRENT ELECTRICITY

    KUMAR PRAKASHAN|Exercise SECTION [D] MULTIPLE CHOICE QUESTIONS (MCQs) (MCQs ASKED IN COMPETITIVE EXAMS)|21 Videos
  • CURRENT ELECTRICITY

    KUMAR PRAKASHAN|Exercise SECTION [D] MULTIPLE CHOICE QUESTIONS (MCQs) (MCQs ASKED IN CBSE-PMT, AIPMT, NEET)|17 Videos
  • CURRENT ELECTRICITY

    KUMAR PRAKASHAN|Exercise SECTION C (LONG ANSWER TYPE QUESTIONS )|5 Videos
  • BOARD'S QUESTION PAPER MARCH-2020

    KUMAR PRAKASHAN|Exercise PART-B SECTION -C|4 Videos
  • DUAL NATURE OF RADIATION AND MATTER

    KUMAR PRAKASHAN|Exercise Section-D (MCQs asked in GUJCET/Board Exam)|1 Videos

Similar Questions

Explore conceptually related problems

One electric cell (having emf of 2V & internal resistance of 0.1 Omega ) and other electric cell (having emf of 4V & internal resistance of 0.2 Omega ) are connected in parallel to each other. Then its equivalent emf will be _____ V.

Two cells of equal e.m.f. E b ut of difference internal resistance r_(1) and r_(2) are connected in parallel and the combination is connected with an external resistance R to obtain maximum power in R. find the value of R

Two batteries of e.m.f. E_(1) and E_(2) and internal resistance r_(1) and r_(2) are connected in parallel. Determine their equivelent e.m.f.

Two cells , each of emf E and internal resistance r , are connected in parallel across a resistor R . The power delivered to the resistor is maximum if R is equal to

A dry cell of emf 1.5V and internal resistance 0.10 Omega is connected across a resistor in series with a very low resistance ammeter: When the circuit is switched on, the ammter reading settles to a steady value of 2.0A. What is the steady (a) rate of chemical energy consumption of the cell, (b) rate of energy dissipation inside the cell, (c) rate of energy dissipation inside the resistor, (d) power output of the source?

Two cells of voltage 10 V and 2 V and internal resistances 10 Omega and 5 Omega respectively, are connected in parallel with the positive end of 10V battery connected to negative pole of 2 V battery (figure). Find the effective voltage and effective resistance of the combination.

(a) Six lead-acid type of secondary cells each of emf 2.0 V and internal resistacne 0.015Omega are joined in series to provide a supply to a resistance of 8.5 Omega. What are the current drawn from the suply and its terminal voltage ? (b) A secondary cell after long use has an emf of 1.9 V and a large internal resistance of 380 Omega. What maximum current can be drawn from the cell? Could the cell drive tghe starting motor of a car ?

n identical cells each of emf epsilon and lnternal resistance r are connected in parallel with resistor R. The current nowing through resistor R is ..........

Two batteries, one of emf 18V and internal resistance 2Omega and the other of emf 12 and internal resistance 1Omega , are connected as shown. The voltmeter V will record a reading of

KUMAR PRAKASHAN-CURRENT ELECTRICITY-SECTION [D] MULTIPLE CHOICE QUESTIONS (MCQs) (MCQs FROM .DARPAN. BASED ON TEXTBOOK)
  1. An electric bulb marked 40 W and 200 V is used in a circuit of supply ...

    Text Solution

    |

  2. What is the ratio of power consumed in resistances R(1) and R(2) as sh...

    Text Solution

    |

  3. Three cells of emf 1.5 V and internal resislance 1 Omega are connected...

    Text Solution

    |

  4. n resistors each of resistance r are connected to a battery of emf eps...

    Text Solution

    |

  5. n identical cells each of emf epsilon and lnternal resistance r are co...

    Text Solution

    |

  6. Two bulbs of 220 V and 100 W are firs connected in series and then in ...

    Text Solution

    |

  7. The resistance of a 10 m long potentiometer wire is 20 Omega . It is c...

    Text Solution

    |

  8. A potentiometer wire is 100 cm long and a constant potential differenc...

    Text Solution

    |

  9. What is the unit of potential gradient ?

    Text Solution

    |

  10. Resistivity of the mateial of potentiometer wire is (rho) and area of ...

    Text Solution

    |

  11. In an experiment to measure emf epsilon(1) of a battery by a potention...

    Text Solution

    |

  12. The resistance of a 10 m long potentiometer wire is 20 Omega . It is c...

    Text Solution

    |

  13. If reading in ammeterA(1)" is "3A then reading in ammeter A(2) = .....

    Text Solution

    |

  14. Potential difference between points P and Q would be ...... .

    Text Solution

    |

  15. Potential difference between points P and Q would be ......

    Text Solution

    |

  16. A 100 W bulb B(1) and two 60W bulbs B(2) and B(3) , are connected to a...

    Text Solution

    |

  17. Seven resistance each of 20Omega are connected with 2 volt battery, r...

    Text Solution

    |

  18. Given quantity of water is boiled by an electric heater in 5 min. If s...

    Text Solution

    |

  19. Assertion : In a simple battery circuit the point of lowest potential ...

    Text Solution

    |

  20. A : The drift velocity of electrons in a metallic wire will decrease, ...

    Text Solution

    |