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Q1. | EPROM can be |

A. | UVPROM [Wrong Answer] |

B. | EEPROM [Wrong Answer] |

C. | both UVPROM and EEPROM [Correct Answer] |

D. | none of the above [Wrong Answer] |

View Answer
Explanation:-
Answer : CDiscuss 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 :**

⇒

Match the following:

List I (I/P - O/P relation) | List II (Property of the system) | ||
---|---|---|---|

A. | y(n) = x(n) | 1. | Nonlinear, non-causal |

B. | y(n) = x(n^{2}) | 2. | Linear, non casual |

C. | y(n) = x^{2}(-n) | 3. | Linear causal |

D. | y(n) = x^{2}(n) | 4. | Nonlinear causal |

A-1, B-4, C-3, D-2

A-3, B-2, C-1, D-4

A-1, B-2, C-3, D-4

A-3, B-4, C-1, D-2

⇒ In a TWT the amplitude of resultant wave travelling down the helix remains constant

TRUE

FALSE

⇒

**Assertion (A):** Double Kelvin's bridge is used to measure low resistances.

**Reason (R):** In low resistance, the contact and lead resistances are very important.

Both A and R are true and R is correct explanation of A

Both A and R are true but R is not correct explanation of A

A is true R is false

A is false R is true

⇒ A phasor is

a line representing the magnitude and direction of an alternating quantity

a line which represents the magnitude and phase of an alternating quantity

an instrument used for measuring phases of an unbalanced 3-phase load

a coloured tag or band for distinguishing between different phases of a 3-phase supply

⇒ The number of protons in a silicon atom are

4

8

12

14

⇒ While calculating Norton's resistance, all current sources are short circuited.

TRUE

FALSE

⇒ If each stage has a gain of 10 dB and noise figure of 10 dB, then the overall noise figure of a two stage cascade amplifier will be

10

1.09

1

10.9

⇒ The current in a

*p*-

*n*junction diode with V volts applied in

*p*region relative to

*n*region (where I

_{0}is reverse saturation current,

*m*is ideality factor,

*k*is Boltzmann's constant, T is absolute temp and

*q*is charge on electron) is

I

_{0}(

*e*

^{-qV/mkT}- 1)

I

_{0}

*e*

^{-qV/mkT}

I

_{0}(

*e*

^{qV/mkT})

I

_{0}(

*e*

^{qV/mkT}- 1)

⇒ Transconductance indicates the

control of output voltage by input voltage

control of output current by input voltage

control of input voltage by output current

control of input current by input voltage

⇒ L/C has the dimension of

time

capacitance

inductance

resistance

⇒ A dc separately excited motor has a constant field current. The armature is fed from a single phase supply through a semi-converter. When a = 0, speed is 600 rpm. If a = 90°, the speed is likely to be

about 300 rpm

about 150 rpm

about 75 rpm

about zero

⇒ The decorative lighting works on the principle of

periodic switching on and off

special inverter

rectifier

motor

⇒ In order to enable TRAP interrupt, which of the following instructions are needed?

El only

SIM only

El and SIM both

None

⇒ Fourier transform of

*f*(

*t*) =

*j*ω F(

*f*)

2p

*f*F(

*f*)

F'(

*f*)

None

⇒ If the output current wave shape of class C circuit has a period of 1 μs and a pulse width of 0.006 μs, the duty cycle is

0.06

0.006

0.00006

0.0006

⇒ In the figure circuit, V

_{1}= 40 V. When R is 10 Ω. When R is zero, the value of V

_{2}wil

40 V

30 V

20 V

10 V

⇒ In a rectangular waveguide if operating frequency is greater than cut off frequency then propagation constant is

purely real

purely imaginary

equal to unit

a complex number

⇒ In the circuit, the value of the voltage source

-22 V

-12 V

+12 V

-10 V

⇒ An air-filled rectangular waveguide has dimensions 8

*cm*x 10

*cm*. The wavelength of waveguide at frequency 3 GH

*z*

25

*cm*

100

*cm*

16.13

*cm*

23.09

*cm*

⇒ Audio-signal modulates a 125 MHz carrier, causing a frequency deviation of 5 kHz. The bandwidth of the narrowband FM signal is __________ kHz.

10

8

9

20

⇒ In a D latch

a high D sets the latch and low D resets it

a low D sets the latch and high D resets it

race can occur

none of the above

⇒ In an idealized half wave rectified system the average and r.m.s. values of voltage are __________ respectively.

2V

_{m}/p, V

_{m}/2

V

_{m}/p, V

_{m}/2

V

_{m}/p, V

_{m}/2

V

_{m}.p, V

_{m}/2

⇒ In force voltage analogy, displacement is analogous to

current

voltage

charge

none of the above

⇒ In all pure metals, temperature coefficient of resistance is positive.

TRUE

FALSE

⇒ When measuring phase angle between two waves using a CRO, the time base generator is connected to

X plate

Y plate

both X and Y plate

neither X nor Y plates

⇒ For a high pass filter, β = p in attenuation band.

TRUE

FALSE

⇒ A capacitor whose capacitance C

_{t}= C

_{0}(1- cos ω

*t*) is fed by a sinusoidal voltage

*v*= V

_{0}sin ω

*t*. The equation for current

*i*is

ω C

_{0}V

_{0}cos ω

*t*

ω C

_{0}V

_{0}sin ω

*t*

ω C

_{0}V

_{0}(cos ω

*t*- cos

^{2}ω

*t*)

none of the above

⇒ The most commonly used transistor amplifier circuit is

CB

CC

CE

CE or CC

⇒ Determine the voltage V

_{CB}in the circuit bel

3.4 V

5.4 V

7.4 V

9.4 V

⇒ If V

_{a0}, V

_{a1}, V

_{a2}are sequence components of V

_{a}and I

_{a0}, I

_{a1}, I

_{a2}are sequence components of I

_{a}, then total 3 phase power P is given by

P = V

_{a0}I

_{a0}+ V

_{a1}I

_{a1}+ V

_{a2}I

_{a2}

P = V

_{a0}I

_{a0}+ V

_{a1}I

_{a1}+ V

_{a2}I

_{a2}

^{*}

P = 3(V

_{a0}I

_{a0}+ V

_{a1}I

_{a1}+ V

_{a2}I

_{a2})

P = 3(V

_{a0}I

_{a0}+ V

_{a1}I

_{a1}+ V

_{a2}I

_{a2}

^{*})