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Q1. | In the circuit of figure, the load current when thyristor is |

A. | is constant [Wrong Answer] |

B. | increases exponentially [Wrong Answer] |

C. | decreases exponentially [Correct Answer] |

D. | zero [Wrong Answer] |

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

⇒ (2)

_{3}+ (3)

_{4}= (?)

_{5}

4

11

none of these

not possible

⇒ For a transfer function H(

*s*) = P(

*s*)/Q(

*s*), where P(

*s*) and Q(

*s*) are polynomials in

*s*

the degrees of P(

*s*) is always greater than degree of Q(

*s*)

the degree of P(

*s*) and Q(

*s*) are equal

the degree of P(

*s*) is independent of degree of Q(

*s*)

the maximum difference in degrees of P(

*s*) and Q(

*s*) is 1

⇒ Sparking affects amplitude modulation.

TRUE

FALSE

⇒ If ROC of

*x*[

*n*] is R

*then ROC of*

_{1}*a*

^{n}*x*[

*n*] is

R

_{1}

*a*

R

_{1}/

*a*

*a*/R

_{1}

R

_{1}+

*a*

⇒ Consider the following stateme

1, 2 and 3

1 and 2 only

2, 3 and 4

2, 3 and 4

⇒ In the given figure,

(A + B)C + DE

AB + C(D + E)

(A + B)C + D + E

none of the above

⇒ The total area under the probability distribution curve is

1

0

depend upon curve equation

∞

⇒ When the ac input signal is very large the instantaneous operating point CE amplifier moves all the way between

ac saturation and ac cut off points

ac operating and ac cut off points

ac saturation and ac operating points

none of the above

⇒ Find Y in the circuit bel

*f*

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*f*

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0

∑(0, 1, 2, 3, 5, 6, 9)

⇒ Which of the following are voltage controlled devices?

Vacum triode

FET

SCR

Both (a) and (b)

⇒

**Assertion (A):** The unit of telephone traffic measurement is erlang.

**Reason (R):** International circuits for communication are fitted with echo suppressors.

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

⇒ Internally the two distinct units of 8086 are called

bus interface unit and execution unit

command unit and follow unit

master unit and slave unit

memory unit and operation unit

⇒ If E is energy level of electron and E

_{F}is fermi level, and T = 0 and E > E

_{F}, then

the probability of finding an occupied quantum state of energy higher than E

_{F}is zero

all quantum states with energies greater than E

_{F}are occupied

some quantum states with energies greater than E

_{F}are occupied

majority of quantum states with energies greater than E

_{F}are occupied

⇒ The circuit realizes the func

(A + B) E + CD

(A + B) (E + CD)

(A + B) (E + C + D)

(AB + E). CD

⇒ If γ = (S

_{0}/N

_{0})/(S

_{i}/N

_{m}) where S

_{0}and S

_{1}are signal power output and signal power input and N

_{0}and N

_{m}are noise power output and noise power input, the value of γ for SSB-SC and DSB-SC amplitude modulated system respectively are

1 and 1

1 and 2

2 and 1

0.5 and 0.5

⇒ A standard waveguide W R90 has inside wall dimensions of

*a*= 2.286 cm and

*b*= 1.016 cm. What is the cut-off wavelength for TE

_{01}mode?

4.572 cm

2.286 cm

2.032 cm

1.857 cm

⇒ The output

*v*-

*i*characteristics of enhancement type MOSFET has

only an ohmic region

only a saturation region

an ohmic region at low voltage value and a saturation region at high voltage

a saturation region at low voltage value and an ohmic region at high voltage

⇒ In figure V

_{CE}(sat) = 0.1 V. Then I

_{C}(sa

10 mA

20 mA

30 mA

40 mA

⇒ When a lead acid battery is being charged, the specific gravity of the electrolyte

decreases

increases

either increases or decreases

remains the same

⇒ What does the operator ( ) mean in C?

Function expression

Array expression

Structure operator

Increment / Decrement

⇒ Which of the following options is the closest in meaning to the world be

cyclic

indirect

confusing

crooked

⇒ Two function

*g*

_{1}(

*t*) and

*g*

_{2}(

*t*) with correlation of 6 has average power of 4 and 5 respectively. The power of

*g*

_{1}(

*t*) +

*g*

_{2}(

*t*) is

9

21

3

15

⇒ The complicated shapes in the polar plots are only due to time constants in the numerator of transfer functions.

TRUE

FALSE

⇒ In the circuit, S was initially open. At time

*t*= 0, S is closed. When the current through the inductor is 6 A, the rate of change of current through the resistor is 6 A/s. The value of the inductor woul

1 H

2 H

3 H

4 H

⇒ The inputs A, B, C of the given figure are applied to a 3 input NOR gate. The outpu

HIGH from 4 to 0

LOW from 0 to 4

HIGH from 0 to 1 and LOW from 1 to 4

LOW from 0 to 2 and HIGH from 2 to 4

⇒ Divergence of curl A is

∇ . (∇ x A) = 1

∇ . (∇ x A) = 0

∇ . (∇ x A) = ∇

∇ . (∇ x A) = - ∞

⇒

**Assertion (A):** The hybrid p model of a transistor can be reduced to *h* parameter model and vice versa.

**Reason (R):** Hybrid p and *h* parameter models are interrelated as both of them describe the same device.

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

⇒ While drawing vector diagram for a series circuit, the reference vector is

voltage

current

power

phase angle

⇒ In a multicavity klystron amplifier the signal to be amplified develops an ac voltage of signal frequency across the gap in buncher cavity

TRUE

FALSE

⇒ In

*n*-well CMOS fabrication substrate is:

heavily doped

*n*-type

heavily doped

*p*-type

lightly doped

*n*-type

lightly doped

*p*-type