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Q1. | For any given two port network, any parameter set can be determined from measurements made at the two ports. |

A. | TRUE [Correct Answer] |

B. | FALSE [Wrong Answer] |

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

⇒ The sensitivity of a voltmeter using 0-5 mA meter movement is

50 Ω/V

100 Ω/V

200 Ω/V

500 Ω/V

⇒ In CE amplifier the base current is very high.

TRUE

FALSE

⇒ Which one of the following blocks is not common in both AM and FM receivers?

RF amplifier

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⇒ In a CE transistor amplifier, when collector-emitter voltage increases

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the instantaneous operating point moves down the line

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⇒ In the circuit of figure

*v*

_{1}= 8 V and

*v*

_{2}= 0. Which diode will conduct (Assume ideal diod

D

_{1}only

D

_{2}only

Both D

_{1}and D

_{2}

Neither D

_{1}nor D

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⇒ Which of the following is/are correct? The circuit shown in the fig

1 and 3

1 and 2

1 and 4

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⇒ Which one of the following is not a useful quantity for comparing the noise performance of receivers?

Noise figure

Noise temperature

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⇒ Each of two cascaded stages has a voltage gain of 30. The overall gain is

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⇒ An op-amp is fed from a signal source through resistance R

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⇒ Parallel adder is

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⇒ When number of quantization levels are two; then the average transmission power in NRZ polar signaling is __________ that of NRZ unipolar signaling

42737

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⇒ When the

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The two unused inputs are left open

The two unused inputs are connected to 0

The two unused inputs are connected to 1

None of the above

⇒ Which of the following is true?

A silicon wafer heavily doped boron is a p

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A silicon wafer lightly doped boron is a p

^{+}substrate

A silicon wafer heavily doped arsenic is a p

^{+}substrate

A silicon wafer lightly doped arsenic is a p

^{+}substrate

⇒ With reference to C programming language, which of the following statements are correct?

- An identifier may start with an underscore.
- An identifier may end with an underscore.
- If is a valid identifier.
- The number of significant characters in and identifier is implementation dependent.

1 and 2 only

2 and 3 only

1, 2, 3 and 4

3 and 4 only

⇒ In figure, the current supplied by battery at

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*s1.1 A*

1.9 A

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1.9 A

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⇒

are negatively charged

are produced when indium as impurity is added to germanium

are produced phosphorus as impurity is added to silicon

none of the above

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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

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tree contain all the nodes

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⇒ A 20 Ω resistor, a 1H inductor and 1μF capacitor are connected in parallel the combination is driven by a unit step current. Under the steady state, source current flows through

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⇒ Voltage 1 + 2 sin ω

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⇒ An MTI radar operating at 5 GHz has a PRF of 800 pps. The lowest blind speed is

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96 m/s

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⇒ Heat in calories = I

TRUE

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⇒ Thevenin's equivalent circuit

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can be drawn only in frequency domain

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⇒

*n*type semiconductorsare negatively charged

are produced when indium as impurity is added to germanium

are produced phosphorus as impurity is added to silicon

none of the above

⇒

**Assertion (A):** If the reading of an instrument is low, the error is large.

**Reason (R):** The error of an instrument is certain percentage of its full scale deflection.

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 R is false

A is false R is true

⇒ Low frequency response of amplifier is mainly limited by

input capacitor

bypass capacitor

output capacitor

biasing capacitor

⇒ In a two phase servomotor the voltages applied to the two stator windings

are equal in magnitude and are in phase

are unequal in magnitude but are in phase

are equal in magnitude but have a phase difference of 90°

are unequal in magnitude and have a phase difference of 90°

⇒ Choose the correct option

tree does not contain any loop

tree contain all the nodes

tree is always open

all

⇒ Out of the three transforms viz. Z-transform, Laplace transform and Fourier transform

all three are used in continuous time domain

all three are used in both continuous time domain and discrete time domain

Z transform is used in continuous time domain while Laplace and Fourier transforms are used in discrete time domain

Z transform is used is discrete time domain while Laplace and Fourier transforms are used in continuous time domain

⇒ The logic performed by the high-noise immunity logic circuit shown belo

OR

AND

NOR

NAND

⇒ A 20 Ω resistor, a 1H inductor and 1μF capacitor are connected in parallel the combination is driven by a unit step current. Under the steady state, source current flows through

inductor

capacitor

resistor

all

⇒ Voltage 1 + 2 sin ω

*t*is applied to the circuit shown be0 volt

2 volts

-2 volts

-3 volts

⇒ Which one of following is a stataic system?

*y*(*n*) =*x*(*n*) -*x*(*n*- 1)*y*(*n*) =*x*(2*n*) -*x*(2*n*-1)*y*(*n*) =*x*(*n*- 1)*y*(*n*) =*e*^{x(n)}⇒ Consider the frequency modulated signal 10 cos (2p x 10

^{5}*t*+ 5 sin (2p x 1500*t*) + 7.5 sin (2p x 1000*t*) with carrier frequency of 10^{5}Hz. The modulation index is12.5

10

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⇒ An MTI radar operating at 5 GHz has a PRF of 800 pps. The lowest blind speed is

48 m/s

96 m/s

192 m/s

24 m/s

⇒ Heat in calories = I

^{2}R*t*/4.186.TRUE

FALSE

⇒ Thevenin's equivalent circuit

can be drawn only in time domain

can be drawn only in frequency domain

can be drawn both in time and frequency domain

can be drawn in frequency domain with some restrictions