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Q1. | The addition of impurity in extrinsic semiconductor is about 1 part in 10^{8} parts. |

A. | TRUE [Correct Answer] |

B. | FALSE [Wrong Answer] |

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

⇒ In a driving point function poles and zeros must be conjugate if complex or imaginary.

TRUE

FALSE

⇒ In a cascade amplifier, the intermediate stages are always in

CC configuration

CB configuration

CE configuration

any of the above

⇒ Which of the following statement about the photo electric emission is incorrect?

The maximum velocity of emission varies with the frequency of incident light

The maximum velocity of emission varies with the intensity of light

The amount of photoelectric emission is directly proportional to the intensity of light

The quantum yield depends on the frequency and not the intensity of incident light

⇒ The effect of adding poles and zeros can be determined quickly by

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Nyquist plot

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Root locus

⇒ In which computer language is 'break' statement used

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Pascal

C

none of the above

⇒ Four inputs A, B, C, D are fed to a NOR gate. The output of NOR gate is fed to an inverter. The output of inverter is

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A + B + C + D

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ABCD

⇒ Two similar coupled coils are connected in series. The total inductance in series aiding connection is 100 mH. If currents is 3 A, the energy stored in magnetic field is

0.9 J

0.45 J

0.225 J

1.8 J

⇒ The pole-zero configuration of the given figure can be

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lead compensator

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⇒ Which of the following is not a non-linear element?

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Heater coil

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⇒ A copper coil has a resistance of 40 ohm at 20°C. At 100°C the resistance is likely to be

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54 Ω

84 Ω

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⇒ To select one out of N equally probable events, the number of bits required is

log

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⇒ Maxwell's divergence equation for the magnetic field is given as

∇ . B = 0

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^{2}. B = 0

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∇

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⇒ Fourier transform of non periodic DT signal is

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⇒ If KMT = 100, LITRES = 5.0, PCOST = 28.0 and OPCOST = 70.0 what will be the result of the following FORTRAN 77 program?

2.1

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⇒ A function Z(

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the numerator of Z(

*s*) is one degree higher than denominator

the denominator of Z(

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the degree of numerator and denominator are either equal or differ by one

⇒ Which antenna is a wideband antenna?

Hertz antenna

Marconi antenna

Folded dipole

None of the above

⇒ An ammeter has a resistance of 50 ohms and a shunt of 0.01 Ω. The deflection is θ. If the shunt resistance is increased to 0.02 Ω, the deflection will be.

θ

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⇒ In the circuit of figure the voltage across C at

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^{+0 V20 Vvery large7.5 V}

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⇒ The modulus of counter in the given figur

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2

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4

⇒ Semiconductors have

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negative temperature coefficient of resistance

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grid

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⇒ Auto correlation function

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type of conductivity and concentration of charge carriers

temperature coefficient and thermal conductivity

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⇒ (9)

_{11}x (9)

_{13}x(9)

_{15}= (?)

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⇒ A CE amplifier is the most common BJT amplifier.

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⇒ Which of the following can not be used as a variable name in C?

else

coal

ram

vendy