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Q1. | Diamond is a paramagnetic material. |

A. | TRUE [Wrong Answer] |

B. | FALSE [Correct Answer] |

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**Also Read Similar Questions Below :**

⇒ The circuit consisting of two transistor connected in series with the d.c. supply voltage is called

push pull

differential pair

stacked V

^{+}

complementary symmetry

⇒ The number of registers and flags in 8086 are

13 and 5 respectively

9 and 5 respectively

13 and 9 respectively

9 and 9 respectively

⇒ The gradient of any scalar field always yields __________ .

a solenoidal field

a conservative field

an irrotational field

none of these

⇒ The Z parameters Z

_{11}and Z

_{21}for the 2-port network in the fig

Z

_{11}= - 6/

_{11}Ω; Z

_{21}= 16/

_{11}Ω

Z

_{11}= 6/

_{11}Ω; Z

_{21}= 4/

_{11}Ω

Z

_{11}= 6/

_{11}Ω; Z

_{21}= - 16/

_{11}Ω

Z

_{11}= 4/

_{11}Ω; Z

_{21}= 4/

_{11}Ω

⇒ When a current source I is suddenly connected across a two terminal relaxed RC circuit at time

*t*= 0, the voltage across the current source is shown in figure. The RC circui

a series combination of R and C

a parallel combination of R and C

a series combination of R and parallel combination of R and C

a pure capacitor

⇒ Radiation resistance of an antenna is a

dc resistance

ac resistance

either (a) or (b)

none of the above

⇒ The logic realized by the circuit shown in fi

F = A ⊙ C

F = A ⊕ C

F = B ⊙ C

F = B ⊕ C

⇒ The analog signal

*m*(

*t*) is given below

*m*(

*t*) = 4 cos 100 p

*t*+ 8 sin 200 p

*t*+ cos 300 p

*t*, the Nyquist sampling rate will be

1/100

1/200

1/300

1/600

⇒ In an RL series circuit the inductance is 1H and current at an instant is 0.6 A. The energy stored in magnetic field is

0.36 J

0.18 J

0.09 J

0.03 J

⇒ Which of the following conditions should be satisfied to call an astable multivibrator circuit using discrete components as a digital circuit?

- A flip-flop is always a digital circuit.
- Only when we assign 1 and 0 to the high and low levels of the output, a flip-flop is called a digital circuit.
- Only if the power, supply voltage is maintained at + 5 V or - 5 V, it is called a digital circuit.
- Only if it is in IC form, following the technology of IC manufacture, it is called a digital circuit.

1 only

2 and 3

2 only

3 and 4

⇒ An ac circuit has two branches in parallel. The impedances of the two branches are equal. The p.f. of one branch is 0.8 lagging and 0.8 leading. The overall p.f. is

zero

0.5 lagging

1

0.7 lagging

⇒ The applications of shift registers are

- Time delay
- Ring counter
- Serial to parallel data conversion
- Serial to serial data conversion

1, 2, 3

2, 3, 4

1, 2, 3, 4

1, 2, 4

⇒ For an N-point FFT algorithm with N = 2

^{m}which one of the following statements is TRUE?

It is not possible to construct a signal flow graph with both input and output in normal order

The number of butterflies in the

*m*

^{th}stage is N/m

In-place computation requires storage of only 2N node data

Computation of a butterfly requires only one complex multiplication

⇒ The gate width of a monostable multivibrator is given by

T = 1.1 RC

T = 0.693 RC

0.963 RC

T = 0.369 RC

⇒ A geosynchronous satellite

has the same period a that of the Earth

has a circular orbit

rotates in the equatorial plane

has all of the above

⇒ In a network with twelve circuit elements and five nodes, what is the minimum number of mesh equations?

24

12

10

8

⇒ Given below a block diagram of oscillator circuit with various reactance elemen

*x*

_{1}= C,

*x*

_{2}= L,

*x*

_{3}= C

*x*

_{1}= C,

*x*

_{2}= L,

*x*

_{3}= L

*x*

_{1}= C,

*x*

_{2}= C,

*x*

_{3}= L

*x*

_{1}= L,

*x*

_{2}= C,

*x*

_{3}= L

⇒ The number of accumulators in 6800 are

2

3

1

4

⇒ In the given figure the E and H lines in a coaxial c

The radial lines are E lines and circular lines are H lines

Radial lines are H lines and circular lines are E lines

The directions of E and H lines are wrong

Radial lines may be E and H lines depending an direction of current

⇒ The mobility of e

^{-}for Ge and Si respectively is

1.66, 2.5

2.5, 1.66

2.7, 2.33

2.33, 2.7

⇒ A TV remote control works on the principle of

pulse code modulated ultra violet light

pulse code modulated infrared light

demodulation

either (a) or (b)

⇒ A sheet of bakelite is inserted between the plates of an air capacitor. The capacitance will

increase

decrease

remain the same

may increase or decrease

⇒ The decorative lighting works on the principle of

periodic switching on and off

special inverter

rectifier

motor

⇒ A current increasing at the rate of 1A/s is passed through a 1 H inductor. At

*t*= 0,

*i*= 0. The flux linkages after 1 sec are

0.5 Wb-turn

1 Wb-turn

2 Wb-turn

4 Wb-turn

⇒ For 200V r.m.s. value triangular wave, the peak voltage will be

200 V

222 V

280 V

346 V

⇒ Ferromagnetic materials

shows spontaneous magnetisation below a certain temperature

have resistivity very high as compared to that of iron

can be used even at microwave frequencies

all of the above

⇒ In the given figure shows a logic circuit. The minimum Boolean expression for this circui

A + B

A + B + C

AB + C

AB + AC + BC

⇒ Figure is a 24 V

_{r}stabilized power supply. The zener is 24 V, 600 mW. The minimum zener current is 10 mA. Proper values R and maximum load current

320 Ω, 10 mA

400 Ω, 15 mA

400 Ω, 10 mA

320 Ω, 15 mA

⇒ If sequence

*y*(

*n*) =

*x*(-

*n*) then it is

Causal

Non-Causal

Depends on

*x*(-

*n*)

None

⇒ How is an N-channel junction Field Effect Transistor operated as an amplifier?

With a forward bias gate source junction

With a reverse bias gate-source junction

With a open gate source junction

With a shorted gate source junction