Q1. | End fire array is called a linear resonant dipole array. |

A. | TRUE [Correct Answer] |

B. | FALSE [Wrong Answer] |

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**Also Read Similar Questions Below :**

⇒ If A = 3 +

*j*1, A

^{4}

100 ∠18.43°

100 ∠73.72°

10 ∠18.43°

10 ∠73.72°

⇒ In any two port network, input impedance is independent of load impedance.

TRUE

FALSE

⇒ Donor energy level is

*n*type semiconductor is very near valence band.

TRUE

FALSE

⇒

Match the following:

List I (Symbol in Java comparison operator) | List II (Meaning) | ||
---|---|---|---|

A. | = = | 1. | Greater than or equal to |

B. | ! = | 2. | Equal |

C. | > = | 3. | Not equal |

A-1, B-2, C-3

A-3, B-2, C-1

A-1, B-3, C-2

A-2, B-3, C-1

⇒ The gain margin for a stable system

has a positive decibel value

has a negative decibel value

has a large negative decibel value

none of the above

⇒

**Assertion (A):** The modified ramp function of the given figure can be represented s sum of two ramp functions of the given fig

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

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

A is true, R is false

A is false, R is true

⇒ A two port network is symmetrical if*z*_{11} *z*_{12} - *z*_{12} *z*_{21} = 1

AD - BC = 1*h*_{11} *h*_{22} - *h*_{12} *h*_{41} = 1*y*_{11} *y*_{22} = *y*_{12} *y*_{21} = 1

⇒ The difference between measured value and true value is called

gross error

relative error

probable error

absolute error

⇒ Which one of the following is an indirect way of generating FM?

Armstrong modulator

Varactor diode modulator

Reactance FET modulator

Reactance bipolar transistor modulator

⇒ 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

⇒ Which of the following statement is incorrect?

Z_{0} is an ac characteristic that is the same for any length of time

The characteristic impedance can be measured approximately with a sensitive ohm meter

A line terminated in its Z_{0} is a flat or non-resonant line

A twin lead has higher Z_{0} but lower losses than coaxial cable

⇒ Which of the following is not treated as hexadecimal constant by assembler in 8085?

64 H

5 AFH

AFH

OCFH

⇒ In figure the voltage drop across the 10 Ω resistance is 10 V. The resistan

is 6 Ω

is 8 Ω

is 4 Ω

cannot be found

⇒ In which configuration is ac collector voltage zero?

CE

CB

CC

none of the above

⇒ Unit of e is __________ .

coulomb/newton-metre

coulomb^{2}/newton-metre

Farad/metre

Farad^{2}/metre

⇒ Loudness control gives

high boost to bass and little boost to treble

equal boost to bass and treble

less boost to bass and more boost to treble

less boost to both bass and treble

⇒ For stable network the real parts of poles and zeros of driving point functions must be

negative

negative or zero

zero

positive

⇒ A 50 Hz current has an amplitude of 10 A. The rate of change of current at *t* = 0.005 after *i* = 0 and is increasing is

2221.44 A/s

0

- 2221.44 A/s

- 3141.6 A/s

⇒ Which of the following instructions have only one operand?

Multiply

Add

Shift

Subtract

⇒ In 8085 microprocessor, what is the length of Data Buffer Register?

6 bits

8 bits

12 bits

16 bits

⇒ For an ideal 3000 Hz channel, Nyquist rate is

3000 bps

6000 bps

9000 bps

12000 bps

⇒ In figure, the time constant for the capacitor chargin

6 μ*s*

10 μ*s*

15 μ*s*

25 μ*s*

⇒ A permanent magnet moving coil meter can be used as

ac only

dc only

both ac and dc

low frequency ac and dc

⇒ A λ/4 long high frequency transmission line is terminated into one impedance Z_{R}. If Z_{0} be the characteristic impedance of the line, then input impedance Z_{in} is

Z_{o}Z_{R}

Z^{2}_{R}/Z_{o}

Z^{2}_{0}/Z_{R}

Infinity

⇒ The *r*_{e} model equivalent circuit shown in figure is

CE amplifier

CC amplifier

CB amplifier

None of the above

⇒ If *x** _{k}* = 2

*for*

^{k}*k*≤ 0 and = 0 for

*k*> 0 X(

*z*) = 2/(2 -

*z*).

TRUE

FALSE

⇒ A rectangular waveguide having TE

_{10}mode as dominant mode is having a cut off frequency of 18 GHz for the TE

_{30}mode. The inner broad wall dimension of the rectangular waveguide is

5/3 cm

5 cm

5/2 cm

10 cm

⇒ A practical Parallel resonant circuit has a coil in Parallel with a 0.14 μf capacitor. The coil has an inductance of 1 mH and a resistance of 10 ohms. The Q of the circuit is

1000

100

10

1

⇒

**Assertion (A):** The carry look ahead adder is very fast

**Reason (R):** The carry look ahead adder generates the carry and sum digits directly.

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

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

A is true, R is false

A is false, R is true

⇒ The statement that the line integral of magnetic field about any closed path is exactly equal to the direct current enclosed by that path, is known as

Ampere's circuital law

Coulomb's law

Electrostatic's theory

None of the above