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Q1. | In a virgin specimen of iron, the direction of spontaneous magnetisation varies from domain to domain. |

A. | TRUE [Correct Answer] |

B. | FALSE [Wrong Answer] |

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

⇒ Consider the following statements in connection with CMOS inverter in figure where both the MOSFET are of enhancement type and both have a threshold voltage of

Only statement 1 is true

Only statement 2 is true

Both the statement are true

Both the statements are false

⇒ For a BJT, under the saturation condition,

I

_{C}= βI

_{B}

I

_{C}= aI

_{B}

I

_{C}is independent of all other parameters

I

_{C}< βI

_{B}

⇒

**Assertion (A):** In 8085 WR and RD signals are active high.

**Reason (R):** LOW WR means write operation and low RD means read operation.

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 R is wrong

A is wrong R is correct

⇒ Three resistance of 15 Ω each are connected in delta. The resistance of equivalent star will have a value of

15 Ω

5 Ω

5/3 Ω

45 Ω

⇒ What is the direction of control

Unidirectional into μ

*p*

Unidirection out of μ

*p*

Bidirectional

Mixed direction, i.e., some lines into μ

*p*an some others out of μ

*p*

⇒ The dead zone in a pyrometer is 0.125% of span. The calibration is 400°C to 1000°C. What temperature change might occur before it is detected.

0.125°C

0.75°C

0.4°C

1°C

⇒ In the below figure the rms voltage across each half of secondary is 200 V. The peak inverse voltage across each of thyristor

200 V

2(200) V

2(400) V

800 V

⇒ If the average power of radar transmitters is 2 kW and the peak power of the transmitter is 1000 kW, what will be the duty cycle?

0.002

0.02

0.001

0.01

⇒ Two current sources each of rms value 10 A have frequencies 40 Hz and 50 Hz respectively. They are connected in series, the expression for resultant wave is

*i*= 10 sin 40

*t*+ 10 sin 50

*t*

*i*= 14.14 sin 40

*t*+ 14.14 sin 50

*t*

*i*= 14.14 sin 80 p

*t*+ 14.14 sin 100 p

*t*

*i*= 20 sin 80 p

*t*+ 20 sin 100 p

*t*

⇒ The given figure shows a hybrid servosystem. The components 1, 2, 3, 4 are respecti

amplifier, demodulator, dc servomotor and load

demodulator, amplifier, dc servomotor and load

demodulator, dc servomotor, amplifier and load

amplifier, dc servomotor, demodulator and load

⇒ The ripple factor of a full wave rectifier is about 0.5

TRUE

FALSE

⇒ The binary equivalent of 4096.90625 is

1000000000000.11

10000000000001.1

1000000000001.1

1000000000000.1

⇒ The current I for the netw

0 mA

10.72 mA

10.94 mA

11.32 mA

⇒ The number of logic devices required in a Mod-16 synchronous counter are

4

5

6

7

⇒ Roughly the time required for microwave cooking as compared to conventional cooking is

about twice

about half

about 10 times

about one-tenth

⇒ When the emitter current of a transistor is changed by 1 mA, its collector current changes by 0.990 mA. The common-emitter short-circuit current gain is

1

199

99

9.9

⇒ The

*h*parameter equivalent circuit of BJT has one voltage source and one current source.

TRUE

FALSE

⇒ For the two port of figure,

*z*

_{2226/7 Ω6/7 Ω2/3 Ω1 Ω}

⇒ A network N is dual of network N if

both of them have same mesh equation

both of them have same node equation

mesh equation of one are the node equations of the other

KCL and KVL equations are the same

⇒ For a binary half subtractor having two inputs

*A*and

*B*the correct sets of logical expressions for the outputs

*D*(

*A*-

*B*) and

*X*= Borrow are

D = AB + AB, X = AB

D = AB AB, X = AB

D = AB + AB, X = AB

D = AB + A B, X = AB

⇒ The forbidden energy gap between the valence band and conduction band will be least in case of

metals

semiconductors

insulators

all of the above

⇒ A broadside array is shown in figure in which the elements are placed at equal distances. The direction of maximum radiation is represented

AA

BB

CC

DD

⇒ A rectangular pulse is passed through an L.P.F. The response is a

triangular

trapezoidal function

sampling

Both (a) and (b)

⇒ A choke coil of resistance R and inductance L is shunted by capacitor C. The dynamic resistance is

R/LC

C/RL

L/RC

1/RLC

⇒ An infinite ladder is constructed with 1 Ω and 2 Ω resistors shown be

8.18 A

0

0.375

can't determined

⇒ A resistance strain gauge has a resistance of about

100 Ω

25 Ω

10 Ω

1 Ω

⇒ The logic circuit in the given figure realizes the func

(A + B + C) (D E)

(A + B + C) (D E)

(A + B + C) (D E)

(A + B + C) (D E)

⇒ What would be the rms value of a sine wave having the same peak value as that of the above mentioned periodic wave?

42.2 V

19 V

38.2 V

none

⇒ As the frequency is increased, the charging MVAR in a cable

decreases

increases

remain the same

decreases or remains the scheme

⇒ A semiconverter feeding an RLE load operates in

first quadrant only

first and second quadrants

first and fourth quadrants

first and third quadrants