Home
Class 12
PHYSICS
In the given circuit, calculate the rati...

In the given circuit, calculate the ratio of currents through the battery if (1) Key `K_(1)` is pressed, `K_(2)` open and then (2) Key `K_(2)` is pressed, key `K_(1)` is opened

A

`1/2`

B

4

C

2

D

1

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • SEMICONDUCTOR ELECTRONICS: MATERIALS, DEVICES AND SIMPLE CIRCUITS

    AAKASH INSTITUTE|Exercise Assignment (Section -C(Linked comprehension type question))|3 Videos
  • SEMICONDUCTOR ELECTRONICS: MATERIALS, DEVICES AND SIMPLE CIRCUITS

    AAKASH INSTITUTE|Exercise Assignment (Section-D (Assertion and reason))|5 Videos
  • SEMICONDUCTOR ELECTRONICS: MATERIALS, DEVICES AND SIMPLE CIRCUITS

    AAKASH INSTITUTE|Exercise Assignment (Section -A (Objective Type question (One option is correct))|50 Videos
  • SEMICONDUCTOR ELECTRONICS (MATERIAL, DEVICES AND SIMPLE CIRUITS )

    AAKASH INSTITUTE|Exercise Assignment SECTION - D (Assertion & reason type Question)|10 Videos
  • SYSTEM OF PARTICLES AND ROTATIONAL MOTION

    AAKASH INSTITUTE|Exercise Try Yourself|63 Videos

Similar Questions

Explore conceptually related problems

For the given circuit. Calculate reading of ammeter when key K is closed.

In the circuit shown below, the key K is closed at t = 0. The current through the battery is

In the given diagram find the current through R_(1) , when key K is open.

In the circuit shown below, the key K is closed at t = 0 . The current through the battery is

In the circuit shown in Figure, initially key K_(1) is closed and key K_(2) is open. Then K_(1) is opened and K_(2) is closed. Then

In the given circuit (Fig), key K is witched on the at t = 0 . The ratio of current i through the cell at t = 0 to that at t = oo will be

To locate null point, deflection battery key K_(1) is pressed before the galvanometer key K_(2) . Explain why?

AAKASH INSTITUTE-SEMICONDUCTOR ELECTRONICS: MATERIALS, DEVICES AND SIMPLE CIRCUITS-Assignment (Section -B (Objective type question (one option is correct))
  1. An n-type semiconductor has donor levels at 500 meV above the valence ...

    Text Solution

    |

  2. In a common emitter amplifier , when a signal of 40 mV is added to the...

    Text Solution

    |

  3. The output of the given logic gate is

    Text Solution

    |

  4. Two identical capacitors A and B are charged to the same potential V a...

    Text Solution

    |

  5. The relationship between alpha and beta is given by

    Text Solution

    |

  6. Two identical p-n junctions may be connected in series in which a batt...

    Text Solution

    |

  7. In a silicon transistor, a change of 7.89 mA in the emitter current pr...

    Text Solution

    |

  8. In a doped semiconductor, the impurity level is 40 meV above the valen...

    Text Solution

    |

  9. In the diagram, the input is across the terminals A and C and the outp...

    Text Solution

    |

  10. In the given figure, a transistor is connected in common emitter confi...

    Text Solution

    |

  11. A transistor is used in Common-emitter mode in an amplifier circuits. ...

    Text Solution

    |

  12. In the given circuit, calculate the ratio of currents through the batt...

    Text Solution

    |

  13. In a transistor the current amplification alpha is '0.9', when connect...

    Text Solution

    |

  14. A transistor is connected in common base configuration, the collector ...

    Text Solution

    |

  15. In the given circuit , the voltage across the base emitter junction is

    Text Solution

    |

  16. If the current amplification factor for a transistor connected in comm...

    Text Solution

    |

  17. In doped semiconductor one dopent atom is kept typically for how many ...

    Text Solution

    |

  18. In a p-n junction diode the value of drift current through depletion r...

    Text Solution

    |

  19. In the Boolean algebra bar(A).bar(B) equals

    Text Solution

    |

  20. In the adder circuits of two inputs

    Text Solution

    |