Home
Class 12
PHYSICS
V("BB") can vary between 0 and 5 V. Find...

`V_("BB")` can vary between 0 and 5 V. Find the minimum value of base current and `V_("BB")`, so that transistor works in saturation mode. `["Given "beta =200 and V_("BE")=1V]`

A

`20muA, 2.8V`

B

`25muA, 3.5V`

C

`20muA, 3.5V`

D

`25muA, 2.8V`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • NTA JEE MOCK TEST 37

    NTA MOCK TESTS|Exercise PHYSICS|25 Videos
  • NTA JEE MOCK TEST 39

    NTA MOCK TESTS|Exercise PHYSICS|25 Videos

Similar Questions

Explore conceptually related problems

If V_(X)-V_(Y)=20V , find the value of C .

In common emitter transistor as shown in Fig., the V_(BB) supply can be varied from 0 V to 5.0V. The Si. Transistor has beta_(ac)=250 and R_(B)=100kOmega, R_(c)=1k Omega,V_(C C)=5.0V . Assume that when the transistor is saturated, V_(CE)=0V and V_(BE)=0.8V . Calculate the minimum base current, for which the transistor will reach saturation. Hance, determine V_(i) when the transistor is 'switched on' find ranges of V_(i) for which the transistor is switched off and switched on.

In the figure, given that V_(BB) supply can vary from 0 to 5.0V,V_(CC)=5V,beta_(dc)=200,R_(B)=100Komega,R_(C)=1Komega and V_(BE)=1.0V , The minimum base current and the input voltage at which the transistor will go to saturation, will be, respectively:

In a common emitter transistor circuit, the base current is 40 muA, then V_(BE) is -

In the given circuit V_(0_1) " and " V_(0_2) are -

In the common emitter circuit as shown in Fig, the value of the current gain is 100. Find I_(B),V_(CE),V_(BE),V_(BC) when I_(C)=1.5mA . The transistor is in active, cutoff or saturation state.

Consider the circuit arrangnent shown in Fig. for studying input and output characteristics of npn transistor in CE configuration. Select the values of R_ and R_ for a transistor whose V_(BE)=0.7V , so that the transistor is operating at point Q as shown in the characteristics shown in Fig. Given that the input impedance of the transistor is very small and V_(C C)=V_(BB)=16V , also find the voltage gain and power gain of circuit making appropriate assumptions.

NTA MOCK TESTS-NTA JEE MOCK TEST 38-PHYSICS
  1. Four rods with different radii r and length l are used to connect two ...

    Text Solution

    |

  2. An ideal diatomic gas with C(V)=(5R)/(2) occupies a volume V(1) at a p...

    Text Solution

    |

  3. A current - carrying wire of certain length is bent to form an arc tha...

    Text Solution

    |

  4. With what minimum acceleration can a fireman slide down a rope whose b...

    Text Solution

    |

  5. A raioactive sample contains 2.2 mg of pure .(6)^(11)C which has half-...

    Text Solution

    |

  6. A rod of mass 'M' and length '2L' is suspended at its middle by a wire...

    Text Solution

    |

  7. Lights of two different frequencies whose photons have energies 1 and ...

    Text Solution

    |

  8. Two unequal soap bubbles are formed one on each side of a tube closed ...

    Text Solution

    |

  9. Which one of the following spherical lenses does not exhibit dispersio...

    Text Solution

    |

  10. In the pully system shown, if radii of the bigger and smaller pulley a...

    Text Solution

    |

  11. V("BB") can vary between 0 and 5 V. Find the minimum value of base cur...

    Text Solution

    |

  12. The coefficient of volume expansion of glycerine is 49 xx 10^(-5)//^(@...

    Text Solution

    |

  13. The pressure on a square plate is measured by measuring the force on t...

    Text Solution

    |

  14. Consider two coherent, monochromatic (wavelength lambda) sources S(1) ...

    Text Solution

    |

  15. A thin plastic of refractive index 1.6 is used to cover one of the sli...

    Text Solution

    |

  16. A ball of mass m moving horizontally at a speed v collides with the bo...

    Text Solution

    |

  17. A wire of length L and 3 identical cells of negligible internal resist...

    Text Solution

    |

  18. A helicopter takes off along the vertical with an acceleration a = 3m/...

    Text Solution

    |

  19. A body A, oFIGURE m=0.1 kg has a initial velocity oFIGURE3hatikms^(-1)...

    Text Solution

    |

  20. If potential energy function for the force between two atoms in a diat...

    Text Solution

    |