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Q1. | V-I relationship of a network N is given by, V = 8 - |

A. | 0, 2 [Wrong Answer] |

B. | 0, 4 [Wrong Answer] |

C. | 2, 4 [Correct Answer] |

D. | None of these [Wrong Answer] |

View Answer
Explanation:-
Answer : CDiscuss 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 4 line to 16 line decoder has

16 inputs and 4 outputs

4 inputs and 16 outputs

either (a) or (b)

neither (a) nor (b)

⇒

**Assertion (A):** A backward wave oscillator has an internal positive feedback.

**Reason (R):** A positive feedback is necessary for sustained oscillations.

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 correct but R is wrong

A is wrong but R is correct

⇒ The discrete time system describes by

*y*(

*n*) =

*x*(

*n*

^{2}) is

casual, Linear, time varying

casual, non-linear, timevari

non-casual, Linear, time invariant

non-casual, non-linear, time variant

⇒ A difference amplifier using op-amp has closed loop gain = 50. If input is 2 V to each of inverting and non-inverting terminals, output is 5 mA. Then CMRR =

20000

2000

200

20

⇒ Two 16 : 1 and one 2 : 1 multiplexers can be connected to form a

16 : 1 multiplexer

32 : 1 multiplexer

64 : 1 multiplexer

8 : 1 multiplexer

⇒ A moving iron instrument has

two iron vanes, one fixed and one movable

two movable iron vanes

two aluminium vanes, one fixed and one movable

two vanes, one fixed made of Aluminium and the other movable made of iron

⇒ A perfect conductor is a perfect absorber of electromagnetic waves.

TRUE

FALSE

⇒ The nodal method of circuit analysis is based on

KVLs, ohm law

KCLs, ohm law

KCLs, KVL

KCL, KVL, ohms law

⇒ In an op-amp differentiator

the amplitude of output is proportional to rate of change of input

the amplitude of output is proportional to input

output occurs when input is finite and constant

polarity of input and output is the same

⇒ In an ac single phase energy meter, the potential coil is put on

both side limbs, of upper magnet

central limb of upper magnet

one side limb of upper magnet

either (a) or (b)

⇒ Which of the following are the non-linear application of op-amp?

- Current-to-voltage converter
- Comparator
- Peak detector
- Limiter

1, 2 and 3

2, 3 and 4

1, 3 and 4

1, 2 and 4

⇒ A three state switch has three outputs. These are

low, low and high

low, high, high

low. floating, low

low, high, floating

⇒ It is desired to design a phase shift oscillator using an FET having a

*g*= 5000 μSiemen,

_{m}*r*= 40

_{d}*k*Ω and feedback circuit value of R = 10 K. Then value of C for oscillator operation at 1

*k*H

*z*and that of

*R*for A = 40 to ensure oscillator action are

_{D}6.4

*n*F, 80 K

6.5

*n*F, 10 K

6.5

*p*F, 10 K

65

*p*F, 80 K

⇒ Algebraic expression for

*z*-transform of

*x*[

*n*] is X[

*z*]... What is the algebraic expression of

*z*-transform of

*e*

^{jω0n}

*x*[

*n*]?

X(Z - Z

_{0})

X(

*e*

^{-jW0z})

X(

*e*

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X(Z)

^{jω0z}

⇒ An

*npn*transistor has a Beta cutoff frequency

*f*

_{β}of 1 MHz, and a common emitter short circuit low frequency current gain β

_{0}of 200. It unity gain frequency

*f*

_{T}and the alpha cut off frequency

*f*

_{a2}respectively are

200 MHz, 201 MHz

200 MHz, 199 MHz

199 MHz, 200 MHz

201 MHz, 200 MHz

⇒ Let JCOKE = 98 and LPEPSI = 42 Consider the statement

106

109

none of the above

⇒ A liquid has N permanent dipoles μ

_{p}per unit volume and has been subjected to dc field for a long time such that orientation polarization is

*P*

_{0}. At

*t*= 0, the field is suddenly removed, then polarization

will remain constant at

*P*

_{0}

will become zero at

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either b or c

⇒ In which counter does the maximum frequency depend on the modulus?

Synchronous

Ripple

Both synchronous and ripple

Neither synchronous nor ripple

⇒ A microcomputer has memory locations from 0000 to FFFF, each storing 1 byte. How many bytes can be the memory store?

12333

14666

16384

16655

⇒ In a circuit of figure, V

_{s}= 10 cos(ω

*t*) power drawn by the 2Ω resistor is 4 watts. The power facto

0.3

0.4

0.6

none

⇒ At room temperature

*k*T = 0.03 eV.

TRUE

FALSE

⇒ A memory system has a 9 chips. If MTBF of one clip is 900 000 hours, MTBF of complete memory system is

900000 hours

100000 hours

8100000 hours

1800000 hours

⇒ The signal plate of vidicon tube is coated with tin oxide.

TRUE

FALSE

⇒ When a unit step voltage drives a lag network the output

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increases exponentially from zero to final value

decreases exponentially from 1 to 0

either (b) of (c) depending on values of R and C

⇒ The phenomenon of overlap in converter operation due to

source resistance

source inductance

both source resistance and source inductance

high value of firing angle

⇒ The attenuation in a waveguide near the cut off frequency is

zero

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high

very high

⇒ Voice signal band limited to 3.4 KHz is sampled and pulse code modulated using 64 quantization levels. Ten such signals are time division multiplexed using one 5-bit synchronizing word every alternate frame. The minimum channel bandwidth required for transmission of the TDM signal is

100 KHz

200 KHz

50 KHz

150 KHz

⇒

**Assertion (A):** An SR latch has the problem of RAC condition

**Reason (R):** While designing a digital circuit RAC condition should be avoided.

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

⇒ For a transistor the normal collector voltage is 12 V. If actually it is found to be + 28 V, the trouble could be

R

_{L}is open

R

_{E}is open

C

_{E}is shorted

C

_{E}is open

⇒ The complement of Boolean expression AB (B C + AC) is

(A + B) + (B + C) + (A + C)

A B + (B + C)(A + C)

(A + B) + (B + C) (A + C)

none of the above