Q1. | On load tap changer using thyristors can have a maximum of two taps. |

A. | TRUE [Wrong Answer] |

B. | FALSE [Correct Answer] |

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⇒ In a positive edge triggered JK flip flop

High J and High K produce inactive state

Low J and High K produce inactive state

Low J and Low K produce inactive state

High J and Low K produce inactive state

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vast amounts of text

graphics

music

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⇒ A 0.5 μF capacitor is connected across a 10 V battery. After a long time, the circuit current and voltage across capacitor will be

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⇒ The chemical properties of atoms are determined by all the electrons and their configuration.

TRUE

FALSE

⇒

**Assertion (A):** Negative feedback reduces the gain of an amplifier

**Reason (R):** Negative feedback is very commonly used in amplifier circuits

Both A and R are correct and R is correct explanation for A

Both A and R are correct but R is not correct explanation for A

A is correct R is wrong

A is wrong R is correct

⇒ If noise margin is high, there is lesser chance of false operation.

TRUE

FALSE

⇒ If the ladder reference voltage is 2 V, then minimum comparator resolution required is

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⇒ The time constant of the capacitance circuit is defined as the time during which voltage

falls to 36.8% of its final steady value

rises to 38.6% of its final steady value

rises to 63.2% of its final steady value.

none of the above.

⇒ If B

_{max}is the maximum flux density, hysteresis loss is proportional to

B

_{max}

B

^{1.6}

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B

^{2}

_{max}

B

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⇒ The minimum sampling frequency in sample/sec. required to reconstruct the following signal from its samples wuthout distor

2 x 10

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4 x 10

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⇒ For a level input sequential circuit

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output is in the pulse form

output may be a pulse or a level form

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The poles and zero must be complex

If the poles and zeros are complex or imaginary, they must be conjugate

If the poles and zeros are complex they must be simple

If a zero is imaginary, it must be simple

⇒ In case of a low level AM transmitter, the amplifier modulated stage must be

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class B

class B (linear)

class C

⇒ The equation ∇ . J = 0 is called

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_{GS(off)}. Then

I

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I

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I

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I

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⇒ Consider the following advantages of phase array radar

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⇒ A microstrip line has dielectric having relative permittivity ∈

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less than ∈

_{r}either

*a*or

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**Assertion (A):** The rms value of *v* = 1 + sin ω*t* is 1.5

**Reason (R):** If *i* = I_{0} + I_{1m} sin ω_{1}*t* + I_{3m} sin 3ω_{1}*t*,

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

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⇒ The condition AD - BC = 1 for two port network implies that the network is a

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⇒ Computer communication networks have

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tree configuration

loop/mesh configuration

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⇒ Consider the differential amplifier shown in figure. (Assume β is very hi

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⇒ If X = 1 in the logic equation [X + Z { Y + (Z + X Y)}] { X + Z (X + Y)} = 1, then

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0.333333333333333

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7 to 15 times as large channel

⇒ After the death of INSAT-IB, the mainstay of the entire Indian satellite network for some time to come would be

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⇒ In a semi converter feeding a resistive load

the waveshapes of output voltage and output current are exactly similar

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the waveshapes of output voltage and output current are similar only for low values of firing angle

the waveshapes of output voltage and output current may be similar or dissimilar

⇒

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

A. | Reactance theorem | 1. | Foster |

B. | Driving point impedance | 2. | Bartlett |

C. | Continued fraction expansion | 3. | Cauer |

D. | Bisection Theorem | 4. | Positive real function |

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

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

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

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

⇒ In all metals

conductivity decreases with increase in temperature

current flow by electrons as well as by holes

resistivity decreases with increase in temperature

the gap between valence and conduction bands is small