Users Also Read

MCQ's Search Engine

Electrical Engineering

Mechanical Engineering

Civil Engineering

Automobile Engineering

Chemical Engineering

Computer Engineering

Electronics Engineering

Medical Science Engg

Q1. | When sources of different frequencies feed a network the only method of solution is superposition theorem. |

A. | TRUE [Correct Answer] |

B. | FALSE [Wrong Answer] |

View Answer
Explanation:-
Answer : ADiscuss it below :!! OOPS Login [Click here] is required to post your answer/resultHelp other students, write article, leave your comments |

**Also Read Similar Questions Below :**

⇒ A single phase half wave rectifier circuit has a free wheeling diode. The free wheeling diode will conduct only if

load is purely resistive

load is purely inductive

load is combination of R and L

load is purely inductive or combination of R and L

⇒ The number of cells in a 4 variable K map is

16

8

4

32

⇒ Which curve represents the fidelity curve of a standard recei

Curve A

Curve B

Curve C

Curve D

⇒

Match the following:

List I (Component) | List II (Dominant TE mode) | ||
---|---|---|---|

A. | Rectangular wave guide | 1. | TE_{101} |

B. | Circular waveguide | 2. | TE_{10} |

C. | Rectangular cavity | 3. | TE_{111} |

4. | TE_{11} |

A-4, B-2, C-1

A-2, B-1, C-3

A-3, B-4, C-1

A-2, B-3, C-1

⇒ When a function Z(

*s*) having a pole at infinity is realized, we get

a capacitance in series

a resistance in series

an inductance in series

a resistance or inductance in series

⇒ A moving coil meter has a resistance of 50 ohms and a full scale deflection current of 20 mA. To convert it into a voltmeter of 0-100 V range, the series resistance should be

5000 Ω

5050 Ω

4950 Ω

505 Ω

⇒ Given below impulse response of two sys

*h*

_{1}(

*n*) non causal and stable

*h*

_{1}(

*n*) non causal and stable

*h*

_{1}(

*n*) causal and not stable

*h*

_{1}(

*n*) causal and stable

⇒ Two thyristors of the same rating and specifications

will have equal on state voltage drops

will have equal forward blocking voltage for the same current

will have different on state voltage drops

may have equal or different on state voltage drops and equal or different forward blocking voltage's for the same current

⇒ At absolute temperature

the forbidden energy gap in germanium is higher than that in silicon

the forbidden energy gap in germanium and silicon are equal

the forbidden energy gap in silicon is higher than that in germanium

none of the above

⇒ The device most likely to be found in an SSB transmitter is

class C audio amplifier

tuned modulator

class B RF amplifier

class A RF amplifier

⇒ Consider the following program in B

2.827

28.27

282.7

2827

⇒ The forbidden band in semiconductors is of the order of

6 eV

1 eV

10 eV

0.01 eV

⇒ As the area of a public meeting increases the amplifier power output required increases.

TRUE

FALSE

⇒ Two capacitors of 20 μF each are in series. The total capacitance is

5 μF

10 μF

40 μF

400 μF

⇒ The saving of power in DSB-SC modulated at 80% is

NIL

0.8

0.7576

0.5

⇒ A sequence detector is required to give a logical output of 1 whenever the sequence 1011 is detected in the incoming pulse stream. Minimum number of flip-flops needed to built the sequence detector is

4

3

1

2

⇒ Automobile ignition systems use the principle of

resistance

self inductance

mutual inductance

capacitance

⇒ If the p and T circuits in figure are equivalent, then R

_{1}, R

_{2}, R

_{3}respectively

9 Ω, 6 Ω, 6 Ω

6 Ω, 6 Ω, 9 Ω

9 Ω, 6 Ω, 9 Ω

6 Ω, 9 Ω, 6 Ω

⇒

**Assertion (A):** A JFET behaves as a resistor when V_{GS} < V_{P}.

**Reason (R):** When V_{GS} < V_{P}, the drain current in a JFET is almost constant.

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

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

A is true but R is false

A is false but R is true

⇒ In a crystal oscillator of the Colpitt's oscillator type, the crystal is put is place of the

resistor R

_{1}

condenser C

_{2}

condenser C

_{1}

inductor L

⇒ In a klystron amplifier the bunching effect

converts velocity modulation into current modulation of beam

converts current modulation into velocity modulation of beam

both (c) and (b)

neither (a) nor (b)

⇒ Binary number 1101 is equal to octal number

17

16

15

14

⇒ If average correlation between

*v*

_{1}(

*t*) and

*v*

_{2}(

*t*) is R

_{12}(

*t*) and average correlation between

*v*

_{2}(

*t*) and

*v*

_{1}(

*t*) is R

_{21}(

*t*) then

R

_{12}(t) = R

_{21}(t)

R

_{21}(t) = R

_{12}(t)

R

_{12}(t) = - R

_{21}(t)

none of these

⇒ Which of the following is equivalent to AND-OR realization?

NAND-NOR

NOR-NOR

NOR-NAND

NAND-NAND

⇒ Kirchoff's laws are applicable to

steady state conditions only

transient conditions only

both steady state and transient condition

both steady state and transient condition but with some constraints

⇒ Which of the following is a valid real constant in FORTRAN 77?

1.2 E 231

3 E - 2

-3.2 E 2.3

1.2 E 23

⇒ Conversion rate, for a successive approximation ADC which uses 2 MH

*z*clock and 5 bit binary ladder containing 8 VV reference voltage is __________ .

64516.12

*conversions/sec*

400000

*conversions/sec*

400000

*bps*

2.5

*bps*

⇒ In drawing phasor diagram

rms values are used

peak values are used

either rms or peak values are used

either rms or peak or averages values are used

⇒ Which of the following microphones works on the piezoelectric effect?

Carbon

Condenser

Moving coil

Crystal

⇒ Which of the following finds application in pocket calculators?

TTL

CMOS

ECL

Both (a) and (c)