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Q1. | The dielectric losses do not depend on frequency. |

A. | TRUE [Wrong Answer] |

B. | FALSE [Correct Answer] |

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

⇒ A 4 bit binary adder has 4 full adders.

TRUE

FALSE

⇒ The phase angle of a lag circuit is

between 0 and -90°

between 0 and +90°

90°

more than 90°

⇒ The number of branches of root locus plot is equal to

the number of roots of characteristic equation

double the number of roots of characteristic equation

the number of roots of characteristic equation minus one

the number of roots of characteristic equation plus one

⇒ In operational Amplifier, Common mode voltage gain should be

0

∞

1

0.5

⇒ Temporary register in 8085 is a 16 bit register.

TRUE

FALSE

⇒ The maximum rectification efficiency in case of full wave rectifier is

1

0.812

0.666

0.406

⇒ A particular current is made up of two components 10A dc and sinusoidal current of peak value 14.14A. The average of resultant current is

zero

24.14A

10A

14.14A

⇒

Match the following:

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

⇒ AM-SC stands for

Amplitude Modulated-Suppressed Carrier

Amplitude Modulated-Single Carrier

Amplitude Modulated-Synchronous Carrier

Amplitude Modulated-Self Carrier

⇒ The line of sight communication requires that transmit and receive antennas to face each other. If the transmit antenna is vertically polarized, for the best reception the receive antenna should be

horizontally polarized

vertically polarized

at 45° with respect to horizontal polarization

at 45° with respect to vertical polarization

⇒ A resistance of 5 ohms is connected in one branch of a network. The current in this branch is 2.2. A. If the resistance is increased to 7.5 Ω, the remaining circuit being the same, the current in this branch will be

2.2 A

less than 2.2 A

2.2 A or less than 2.2 A

2.2 A or less or more than 2.2 A

⇒ Two similar coupled coils are connected in series. The total inductance in series aiding connection is 100 mH. If currents is 3 A, the energy stored in magnetic field is

0.9 J

0.45 J

0.225 J

1.8 J

⇒ A continuous time LTI system is describe

(

*e*-

^{t}*e*

^{3t})

*u*(

*t*)

(

*e*

^{-t}- 3

*e*

^{-3t})

*u*(

*t*)

(

*e*

^{-t}+

*e*

^{-3t})

*u*(

*t*)

(

*e*

^{t}+

*e*

^{3t})

*u*(

*t*)

⇒ Unlimited number of ICs 7490, 78492 and 7493 are available. Which of these could be used to build the dividse-by-60 circuit of fi

7490

7492

combination of 7490 and 7492

combination of 7492 and 7493

⇒ A system is said to be marginal stable if

poles lies on Real axis

zero lies on Real axis

poles lies on Imaginary axis

zeros lies on origin

⇒ Two products are sold from a vending machine, which has two push buttons P

_{1}and P

_{2}. When a button is pressed, the price of the corresponding product is displayed in a 7-segment display. If no buttons are pressed, '0' is displayed, signifying 'Rs' .0'. If only P

_{1}is pressed, '2' is displayed, signifying 'Rs.

*g*= P

_{1}+ P

_{2},

*d*=

*c*+

*e*

*g*= P

_{1}+ P

_{2},

*d*=

*c*+

*e*

*g*= P

_{1}+ P

_{2},

*e*=

*b*+

*c*

*g*= P

_{1}+ P

_{2},

*e*=

*b*+

*c*

⇒ Minimum number of J-K flip-flop needed to construct a

*BCD*counter is

2

3

4

5

⇒ The equivalent of the block diagram in figure is give

Figure (a)

Figure (b)

Figure (c)

Figure (d)

⇒ If 100 V is the peak voltage across the secondary of the transformer in a half-wave rectifier (without any filter circuit), then the maximum voltage on the reverse-biased diode is

200 V

141.4 V

100 V

86 V

⇒ Magnetic field intensity has the dimensions

IL

I

^{2}L

IL

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IL

^{-2}

⇒ Which of the following can be used as a tachogenerator in control systems?

Microsyn

DC servomotor

AC servomotor

Magnetic amplifier

⇒ For a series R-L-C circuit tuned at resonant frequency which of the following statements is correct?

The voltage across inductance is greater than applied voltage

The voltage across capacitance is greater than applied voltage

The voltage across both inductance and capacitance is greater than applied voltage

The voltage across both inductance and capacitance is less than applied voltage

⇒ For an P-channel enhancement type MOSFET determine the drain current if K = 0.278 x 10

^{-3}A/V

^{2}, V

_{GS}= -4V, V

_{T}= -2V, Voltage equivalent at 27°C = 26 mV.

10 mA

1.11 mA

0.751 mA

46.98 mA

⇒ AECF1

_{16}+ 15ACD

_{16}= __________ .

C47BB

_{16}

C47BE

_{16}

A234F

_{16}

A1111

_{16}

⇒ The velocity factor of a transmission line depends on

temperature

skin effect

relative permittivity of dielectric

none of the above

⇒ In figure, V

_{G2.22 V22.2 V0.22 V0.022 V}

⇒ In radar systems PRF stands for

Power Return Factor

Pulse Return Factor

Pulse Repetition Frequency

Pulse Response Factor

⇒ Unit of e is __________ .

coulomb/newton-metre

coulomb

^{2}/newton-metre

Farad/metre

Farad

^{2}/metre

⇒ In floating point representation the number of bits in exponent is

8

7

6

5

⇒ The number of product terms in the minimized sum of product expression obtained through the following K-map, where

*d*, don't c

2

3

4

5