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Q1. | In a computer the data transfer between hard disk and CPU is nearly the same as that between diskette and CPU. |

A. | TRUE [Wrong Answer] |

B. | FALSE [Correct Answer] |

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Explanation:-
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**Also Read Similar Questions Below :**

⇒ A non-inverting voltage feedback amplifier is a

voltage amplifier

current amplifier

current to voltage converter

voltage to current converter

⇒ The static equalisation circuit for thyristors connected in series is

one resistor in series with each thyristor

one resistor in parallel with each thyristor

one resistor and one capacitor in parallel with each thyristor

none of the above

⇒ High frequency oscillations can be caused by

electric coupling

magnetic coupling

ground loop

all of the above

⇒

**Assertion (A):** The number of basic loops is equal to number of links.

**Reason (R):** The graph theory helps in choosing independent variables in circuit analysis.

Both A and R are true and R is correct explanation of A

Both A and R are true and R is not the correct explanation of A

A is true but R is false

A is false but R is true

⇒ The inverse of given Laplace transfor

sin

*t*

cos

*t*

*e*

^{t}*e*

^{2t}

⇒ The shunt admittance of a transmission line is given by

γ = R +

*j*ωL

γ = R -

*j*ωL

γ = G +

*j*ωC

γ =

*j*ωGC

⇒ The current in a circuit with 10 Ω resistance is

*i*= 3 + 4 sin (100

*t*+ 45°) + 4 sin (300

*t*+ 60°) A. The rms current and power dissipated are

41 A and 410 W

35 A and 350 W

5 A and 250 W

11 A and 1210 W

⇒ A circular waveguide carries TE

_{11}mode whole radial electric field is give

10 cm

3 p cm

2 p cm

8 cm

⇒ In a megger the controlling torque is provided by

spring

gravity

coil

eddy current

⇒ 39.12

_{10}= __________

_{10}

10111.0001111

100011.0001111

100001.0001111

1111.0001111

⇒ Consider the following statements, SWR of a transmission line is infinite when the load is

- a short circuit
- a complex impedance
- an open circuit
- a pure reactance

1 and 3 only

1, 2, 3

2, 3, 4

1, 2, 4

⇒

Match the following:

List I (Logic family) | List II (Characteristic) | ||
---|---|---|---|

A. | TTL | 1. | Maximum power consumption |

B. | ECL | 2. | Highest packing density |

C. | NMOS | 3. | Least power consumption |

D. | CMOS | 4. | Saturated Logic |

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

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

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

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

⇒ Figure shows an R-L circuit. The current is

*i*= 1 -

*e*

^{-t}. The rate of change of current at

*t*= 1 secon

1 A/s

0.63 A/s

0.37 A/s

0

⇒ The useful operational life of INSAT-IB (launched in 1983) is expected to end by

1992-93

1991-92

1989-90

1993-94

⇒ It is desired to display the digit 7 using a seven segment display. The LEDs to be turned on are

*a, b, c*

*b, c, d*

*c, d, e*

*a, b, d*

⇒ The gain margin of first and second order systems is infinite.

TRUE

FALSE

⇒ A carrier wave carries information.

TRUE

FALSE

⇒ ABCD + AB C D =

ABC

ABCD

A B D

ABCD

⇒ In which one of the following types of analog to digital convertors the conversion time is practically independent of the amplitude of the analog signal?

The dual slope integrating type

Successive approximation type

Counter ramp type

Tracking type

⇒

**Assertion (A):** An amorphous material is obtained when mobility of atoms is inhibited during solidification.

**Reason (R):** Crystalline state is a natural state for most solids.

Both A and R are true and R is correct explanation of A

Both A and R are true but R is not correct explanation of A

A is true but R is false

A is false but R is true

⇒ A network is causal if impulse response is zero for

*t*< 0.

TRUE

FALSE

⇒ Which one of the following is true for EM wave propagation through rectangular waveguide of cross-section 2

*a*x

*a*

critical wavelength for TE

_{10}mode is the same as that for TE

_{02}mode

critical wavelength for TE

_{10}mode is one half of that for TE

_{10}mode

critical wavelength for TE

_{10}mode is the same as that for TM

_{10}mode

critical wavelength for TE

_{10}mode is double that for TE

_{01}mode

⇒ If a sample of Ge and a sample of Si have the same impurity density are kept at room temperature

both will have equal value of resistivity

both will have equal - ve of resistivity

resistivity of germanium will be higher than that of silicon

resistivity of silicon will be higher than of Ge

⇒ A square in which each (

*i*,

*j*)

^{th}element of matrix is equal to the negative of the conjugate complex of (

*j*,

*i*)

^{th}element, is called

Hermitian matrix

Skew symmetric matrix

Conjugate anti-symmetric matrix

Skew-Hermitian matrix

⇒ In a 4 bit full adder how many half adders and OR gates are required

8 and 4

7 and 4

7 and 3

8 and 3

⇒ The output

*y*(

*t*) of a continuous-time system

*S*for the input

*x*(

*t*) is given

S is linear and time-invariant

S is linear and time-varying

S is non-linear and time-invariant

S is non-linear and time-varying

⇒ Consider the following materials

- Nickel
- Silver
- Oxygen
- Aluminium

1, 4, 3, 2

1, 4, 2, 3

4, 1, 3, 2

4, 1, 2, 3

⇒ Pick the correct statement with respect to following fig

both the circuit are not identical filter Ckts

identical filter circuit at all frequencies

identical filter circuit at low frequency

identical filter circuit at high frequency

⇒ The area of an impulse is

1

0

∞

any finite value

⇒ Two coil have their axis perpendicular to each other. The coefficient of coupling

*k*is

1

0.5

more than 0 but less than 1

0