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Q1. | In figure V_{CE} (sat) = 0.1 V. Then I_{C} (sa |

A. | 10 mA [Wrong Answer] |

B. | 20 mA [Correct Answer] |

C. | 30 mA [Wrong Answer] |

D. | 40 mA [Wrong Answer] |

View Answer
Explanation:-
Answer : BDiscuss it below :!! OOPS Login [Click here] is required to post your answer/resultHelp other students, write article, leave your comments |

**Also Read Similar Questions Below :**

⇒ Triatics are

small height antenna directly mounted on jeeps, ships, etc.

the towers or masts which are used as radiators

the towers or masts which are not used as radiators

supports for antenna conductors.

⇒ Trap circuits used in video IF amplifier of colour TV are

High Q, LC resonant circuit

Low Q, LC resonant circuit

High Q, RLC resonant circuit

Low Q, RLC resonant circuit

⇒ In a linear bilateral passive element two port which of the following holds for

*z*parameters?

*z*

_{11}=

*z*

_{22}

*z*

_{12}

*z*

_{22}=

*z*

_{11}

*z*

_{22}

*z*

_{11}

*z*

_{12}=

*z*

_{22}

*z*

_{21}

*z*

_{12}=

*z*

_{21}

⇒ From the given circuit below, we can conclude t

BJT is

*pnp*

BJT is

*npn*

transistor is faulty

not possible to determined

⇒ The resonance frequency of the circui

5.4 K

*n*

_{2}

4.5 K

*n*

_{2}

5 K

*n*

_{2}

∞

⇒ Voltage 1 + 2 sin ω

*t*is applied to the circuit shown be

0 volt

2 volts

-2 volts

-3 volts

⇒ Drift velocity of electrons is generally less than 1 mm/s.

TRUE

FALSE

⇒ Which of the following identifiers is invalid in Pascal?

` BETA`

`MAX 40`

`2ND`

`A MAX`

⇒ Consider two random processes

*x(t)*and

*y(t)*have zero mean, and they are individually stationary. The random process is

*z(t)*=

*x(t)*+

*y(t)*. Now when stationary processes are uncorrelated then power spectral density of

*z(t)*is given by

S

*+ S*

_{x}(f)*+ 2S*

_{y}(f)

_{xy}(f)S

*+ S*

_{x}(f)*+ 2S*

_{y}(f)*+ 2S*

_{xy}(f)

_{yx}(f)S

*+ S*

_{x}(f)

_{y}(f)S

*+ S*

_{x}(f)*- 2S*

_{y}(f)*- 2S*

_{xy}(f)

_{yx}(f)⇒ A voltage

*v*= 100 sin ω

*t*+ 10 sin 5 ω

*t*is applied to a pure capacitor having capacitance of 1 μF. If ω = 314 rad/sec, the current through the capacitor is

0.0314 cos 314

*t*+ 0.0157 cos 1570

*t*

0.0314 sin 314

*t*+ 0.0157 sin 1570

*t*

0.0314 cos 314

*t*+ 0.0314 cos 1570

*t*

0.0157 cos 314

*t*+ 0.0157 cos 1570

*t*

⇒ If PRIN = 200.0 and BINT = 0.0525 the result of expression

`INCOME = PRIN * (1 + BINT)`

will be210

210.5

210.5

210.5

⇒ For demodulating PCM; it is first converted into

PDM

PPM

PWM

PAM

⇒ A series RL circuit is excited by a voltage

*v*(

*t*) = V

_{m }sin (ω

*t*+ Φ). The transient current will be zero if

Φ = 0

ω = 0

Φ = tan

^{-1}(ωL/R)

ω - tan

^{-1}(ωL/R) = p/2

⇒ Short-circuited stubs are preferred to open circuited stubs because the latter are

more difficult to make and connect

incapable of giving a full range of reactances

made of transmission line with a different characteristic impedance

liable to radiate

⇒ An electromagnetic wave is incident normally on a dielectric boundary. It is

totally reflected

partially reflected and partially refracted

totally absorbed

none of the above

⇒ The input to ALU are the contents of accumulator and temporary register.

TRUE

FALSE

⇒ If

*e*is the charge of an electron, R is the radius of its orbit and ω is the angular velocity of electron, the magnetic dipole moment μ

_{m}of the orbit is |μ

_{m}| =

*e*ωR

^{2}.

TRUE

FALSE

⇒ A horizontal output stage is cutoff for retrace and 40% of trace. If time for each horizontal line is 64 μs and retrace time is 12 μs, the transistor is conducting for about

64 μs

6.4 μs

31 μs

3.1 μs

⇒ In the given figure, A = B = 1 and C = D = 0. Then

1

0

either 1 or 0

indeterminate

⇒ N circles for a = a

_{1}, and a = a

_{1}± 180°

*n*(where

*n*= 1, 2, 3, ....) are the same.

TRUE

FALSE

⇒ Short-circuited stubs are used, because open-circuited stubs are

liable to radiate

complex in nature

providing open-circuit environments

unable to provide work over large frequency range

⇒

Match the following:

List I | List II | ||
---|---|---|---|

A. | Multiplexer | 1. | Sequential memory |

B. | De-multiplexer | 2. | Converts decimal number to binary |

C. | Shift register | 3. | Data selector |

D. | Encoder | 4. | Routes single input to many outputs |

A-3, B-4, C-1, D-2

A-4, B-3, C-1, D-2

A-3, B-4, C-2, D-1

A-1, B-2, C-3, D-4

⇒

Match the following:

List I | List II | ||
---|---|---|---|

A. | Mu Metal | 1. | very high magnetic permeability |

B. | Samrium/cobalt | 2. | very high magnetic remanence |

C. | Sapphire | 3. | very high thermal conductivity |

D. | Ferrites | 4. | very stable magnetic permeability |

A-1, B-2, C-3, D-4

A-3, B-4, C-1, D-2

A-2, B-3, C-4, D-1

A-4, B-1, C-2, D-3

⇒ SSB can be generated by

filter method

phase cancellation method

good attenuation characteristics

all of the above

⇒ Which of the following is used as switch?

J-K flip-flop

Master slave J-K flip-flop

T-flip-flop

D-flip-flop

⇒ Addition of 0.3 to 3.5% silicon to iron

increases the electrical resistivity of iron

decreases the electrical resistivity of iron

does not change electrical resistivity of iron

silicon can't be added with iron

⇒

Match the following:

List I | List II | ||
---|---|---|---|

A. | Evanescent wave | 1. | Pattern multiplication |

B. | Skip distance | 2. | Mismatched transmission line |

C. | Return loss | 3. | Propagation in lossy medium |

D. | Antenna array | 4. | Short wave propagation |

5. | Propagation below cut-off |

A-5, B-2, C-4, D-3

A-2, B-4, C-1, D-5

A-5, B-4, C-2, D-1

A-1, B-3, C-4, D-5

⇒ A silicon controlled switch has :

2 leads

3 leads

4 leads

5 leads

⇒ Consider the signal S(

*t*) shown bel

8

12

16

18

⇒ Choose correct option for a stable system :

- Roots of the characteristic equation of the system are real and negative
- Area within the impulse response is finite

I is true, II is true

I is true, II is false

I is false, II is true

I is false, II is false