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Q1. | A thyristor circuit is feeding an R-L load. The turn on time can be reduced by |

A. | decreasing R [Wrong Answer] |

B. | decreasing L [Correct Answer] |

C. | increasing L [Wrong Answer] |

D. | decreasing R and L together [Wrong Answer] |

View Answer
Explanation:-
Answer : BDiscuss 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 transmission line is feeding 1 watt of power to a horn antenna having a gain of 10 dB. The antenna is matched to the transmission line. The total power radiated by the horn antenna into the free space is

10 watts

1 watt

0.1 watt

0.01 watt

⇒ Which of these devices have four layers?

UJT

SCR

TRIAC

SCR and TRIAC

⇒ The rule that resistivity of conductors can be separated into two parts viz. temperature independent and temperature dependent is known as

Matthiessen's rule

Debye rule

Curie rule

Onne's rule

⇒ The force required to initiate motion between two contacting surfaces is called

coulomb friction

viscous friction

static friction

none of the above

⇒ In the given figure, A = B = 1 and C = D = 0. Then

1

0

either 1 or 0

indeterminate

⇒ In a bipolar transistor

recombination in base regions of both

*n*-

*p*-

*n*and

*p*-

*n*-

*p*transistor is low

recombination in base regions of both

*n*-

*p*-

*n*and

*p*-

*n*-

*p*transistors is high

recombination in base region of

*n*-

*p*-

*n*transistor is low but that in

*p*-

*n*-

*p*transistor is high

recombination in base region of

*p*-

*n*-

*p*transistor is low but that in

*n*-

*p*-

*n*transistor is high

⇒ At

*f*= 7 GHz, a 120 cm dish antenna gives a gain of about

50

500

5000

50000

⇒ Interference generated by electrical equipment and automobile ignition systems when observed closed to earth is

horizontally polarized

vertically polarized

polarized both horizontally

not polarized

⇒ A 2 mH inductor with some initial current can be represented as shown below, where

*s*is the Laplace transform variable. The value of initial curren

0.5 A

1.0 A

2.0 A

0.0 A

⇒ Consider the equation

*s*

^{2}+ 2

*s*+ 2 + K(

*s*+ 2) = 0. Where do the roots of this equation break on the root loci plot?

-3.414

-2.414

-1.414

-0.414

⇒ Consider the following statements about data structures in Pascal

- Arrays and files are types of data structures.
- List structure is not a data structure in Pascal.
- Each element of a binary tree is called a node of the tree.

All

1, and 2 only

1 and 3 only

2 and 3 only

⇒ In a C expression using assignment operators, relational operators and arithmetic operators, the hierarchy of operations (in the absence of parenthesis) is

assignment, relational, arithmetic

relational, assignment, arithmetic

arithmetic, assignment, relational

arithmetic, relational, assignment

⇒ If

*v*(

*t*) = 0 for

*t*< 0 and

*e*

^{-at}for

*t*≥ 0 V(

*j*ω) = 1/(a +

*j*ω).

TRUE

FALSE

⇒ When a reverse bias is applied to a

*p*-

*n*junction, the width of depletion layer.

decreases

increases

remains the same

may increase or decrease

⇒ In 8085 microprocessor system, what will be the total delay provided by the following loop.

*msec*

3.514

*msec*

2.644

*msec*

3.166

*msec*

⇒ In a ballistic galvanometer, a charge of 100 μC gives a first swing of 25°. The charge required to cause first swing of 50° is

200 μC

400 μC

50 μC

25 μC

⇒ What will be the maximum conversion time in 6 bit dual slope A/D converter uses a reference of -6v and a 1 MHz clock. It uses a fixed count of 40 (101000).

108 sec

63 μ sec

40 sec

80 μ sec

⇒ Which one of following is a stataic system?

*y*(

*n*) =

*x*(

*n*) -

*x*(

*n*- 1)

*y*(

*n*) =

*x*(2

*n*) -

*x*(2

*n*-1)

*y*(

*n*) =

*x*(

*n*- 1)

*y*(

*n*) =

*e*

^{x(n)}

⇒ If the functions

*w, x, y, z*are as foll

*w = z x = z*

*w = z, x = y*

*w = y*

*w = y = z*

⇒ Let

*f*

_{1}(

*t*) = G

_{1}(

*t*) + 4,

*f*

_{2}(

*t*) = G

_{2}(

*t*) + 3. If G

_{1}(

*t*) and G

_{2}(

*t*) are uncorrected then the correlation between

*f*

_{1}(

*t*) and

*f*

_{2}(

*t*) are

12

7

6

zero

⇒ In figure, the power dissipated in 4 resistance is P

_{1}and power associated with 3 A source is P

_{2}.

P

_{1}= P

_{2}

P

_{1}< P

_{2}

P

_{1}> P

_{2}

P

_{1}may be equal or less than P

_{2}

⇒ Two voltmeters are each 0-300 V range. Their internal resistances are 10 kΩ and 20 kΩ They are connected is series and a voltage of 400 V is applied. Their readings respectively will be

266.6 and 133.3 V

133.3 and 266.6 V

200 V each

100 and 300 V

⇒ A JFET is a

unipolar device

bipolar device

tripolar device

none of the above

⇒ The parity bit is

always 1

always 0

1 or 0

none of the above

⇒ FM broadcast is done using

medium waves

short waves

VHF and UHF waves

microwaves

⇒ A broadcast radio transmitter radiates 5 kW when the modulation percentage is 60. How much of this is carrier power?

6.66 kW

5 kW

4.9 kW

4.23 kW

⇒ A radar beacon is a small radar set having a receiver, a separate transmitter and an antenna.

TRUE

FALSE

⇒ Conductivity is measured in terms of

mho/metre

ohm/metre

mho/metre

^{2}

ohm/metre

^{2}

⇒ The function shown in the given Figure can be writte

sum of two sinusoidal functions

sum of two sinusoidal functions one originating at

*t*= 0 and the other at

*t*= 1

difference of two sinusoidal functions one originating at

*t*= 0 and the other at

*t*= 1

none of the above

⇒ For a transfer function the coefficients of the numerator and denominator polynomials in s must be real.

TRUE

FALSE