Vivek Raj asked • 27 minutes ago

Qurat Ul Ain asked • 1 hour ago

Which one of the following is a property of the solutions to the Laplace equation :

- a)The solution have neither maxima nor minima anywhere except at the boundaries
- b)The solution are not separable in the coordinates
- c)The solution are not continuous
- d)The solution are not dependent on the boundary conditions

Correct answer is option 'A'. Can you explain this answer?

Anusri Kothuri As asked • 2 hours ago

In circuit given if both Transistors have same VT what is the approximate value of highest possible output voltage vout if v_{h}, can range from 0 to V_{DD}, it is assumed that 0 < v_{T} < V_{DD}

- a)V
_{DD} - b)v
_{T} - c)V
_{DD - }v_{T} - d)0

Correct answer is option 'C'. Can you explain this answer?

Gavva Pavan Ramesh asked • 4 hours ago

In each question below are given two statements followed by two conclusions numbered I and II. You have to take the given two statements to be true even if they seem to be at variance from commonly known facts. Read the conclusions and then decide which of the given conclusions logically follows from the two given statements, disregarding commonly known facts.

Q. Statements : All apples are oranges Some oranges are papayas Conclusions : I. Some apples are papayas II. Some papayas are apples

Kesava Surendra asked • 9 hours ago

A lag compensation network

(a) increases the gain of the original network without affecting stability.

(b) reduces the steady state error.

(c) reduces the speed of response

(d) permits the increase of gain of phase margin is acceptable.

In the above statements, which are correct

(a) increases the gain of the original network without affecting stability.

(b) reduces the steady state error.

(c) reduces the speed of response

(d) permits the increase of gain of phase margin is acceptable.

In the above statements, which are correct

- a)a and b
- b)b and c
- c)b, c, and d
- d)all

Correct answer is option 'D'. Can you explain this answer?

Mounika Velaga asked • 12 hours ago

The doping concentrations of a silicon pn junction are N_{d =} 10^{16} cm^{-3} and N_{a }= 8 x 10^{15} cm^{-3}. The cross-sectional area is 10^{-3} cm^{2}. The minority carrier lifetimes are τ_{n0} = 1μs and τ_{p0 }= 0.1μs. The minority carrier diffusion coefficients are D_{n} = 35 cm^{2}/ s and D_{p} = 10 cm^{2}/ s . The total number of excess electron in the p - region, if applied forward bias is V_{a} = 0.5 V, is

Shaktikanta Jena asked • 14 hours ago

A lossless coaxial line having inner and outer diameters 5 cm and 10 cm respectively is used as a transmission line for excitation of an antenna with .The characteristic impedance is ---------------------- (ohms)

- a)87.1
- b)458
- c)25.01
- d)0.21

Correct answer is option 'A'. Can you explain this answer?

Aditi Garg asked • 14 hours ago

For silicon the critical electric field at breakdown is approximately E_{crit } = 4 x 10^{5 }V cm. For the breakdown voltage of 25 V, the maximum n - type doping concentration in an abrupt p^{+} n - junction is

- a)2 x 10
^{16}cm^{-3} - b)4 x 10
^{16}cm^{-3} - c)2 x 10
^{18 }cm^{-3} - d)4 x 10
^{18}cm^{-3}

Correct answer is option 'A'. Can you explain this answer?

Rajlaxmi Prajapati asked • 16 hours ago

A number P represented in signed binary 2’s complement form is 1001101. Another number Q_{1} represented in signed binary 2’s complement form is 11010111. If Q is subtracted from P, the result expressed in signed binary 2’s complement form

- a)10111
- b)10011
- c)10110
- d)10010

Correct answer is option 'C'. Can you explain this answer?

Afifa Khan asked • 18 hours ago

In the diagram EC and FB are the two rays parallel to the mirror principal axis. Find the condition on q for which constructive interference at point B occurs between the ray ECB and incident ray FB, given AB = d?

- a)
- b)
- c)
- d)

Correct answer is option 'D'. Can you explain this answer?

Binish King asked • 20 hours ago

A process with open–loop model

is controlled by a PID controller. For this purpose

(A) the derivative mode improves transient performance

(B) the derivative mode improves steady state performance

(C) the integral mode improves transient performance

(D) the integral mode improves steady state performance.

The correct statements are

(A) the derivative mode improves transient performance

(B) the derivative mode improves steady state performance

(C) the integral mode improves transient performance

(D) the integral mode improves steady state performance.

The correct statements are

- a)a and c
- b)b and c
- c)a and d
- d)b and d

Correct answer is option 'C'. Can you explain this answer?

Murali Rmurali asked • 21 hours ago

One of the parts (A, B, C, D) in the sentence given below contains an ERROR.

Which one of the following is INCORRECT ?

I requested that he should be given the driving test today instead of tomorrow.

Which one of the following is INCORRECT ?

I requested that he should be given the driving test today instead of tomorrow.

- a)requested that
- b)should be give
- c)the driving test
- d)instead of tomorrow

Correct answer is option 'B'. Can you explain this answer?

Padmaja Pothala asked • yesterday

The pole-zero diagram of a causal and stable discrete-time system is shown in the figure. The

zero at the origin has multiplicity 4. The impulse response of the system is h[n]. If h[0] = 1,

we can conclude

zero at the origin has multiplicity 4. The impulse response of the system is h[n]. If h[0] = 1,

we can conclude

- a)h[n] is real for all n
- b)h[n] is purely imaginary for all n
- c)h[n] is real for only even n
- d)h[n] is purely imaginary for only odd n

Correct answer is option 'C'. Can you explain this answer?

Sanjay Prajapati asked • yesterday

Non-minimum phase transfer function is defined as the transfer function

- a)which has zeros only in the left-half s-plane
- b)which has poles in the right-half s-plane
- c)which has zeros in the right-half s-plane
- d)which has poles in the left-half s-plane

Correct answer is option 'C'. Can you explain this answer?

Spiritiya Fdo asked • yesterday

A silicon pn junction with doping profile of N_{a } =10^{16 } cm^{-3} and N_{d} =10 ^{15} cm^{-3} has a cross sectional area of 10^{-2} cm^{2}. The length of the p - region is 2 mm and length of the n - region is 1 mm. The approximately series resistance of the diode is

- a)62Ω
- b)43Ω
- c)72Ω
- d)81Ω

Correct answer is option 'C'. Can you explain this answer?

Anumala Krishna Vamsi asked • yesterday

A binary symmetric channel (BSC) has a transition probability of 1/8. If the

binary symbol X is such that P(X = 0) = 9/10, then the probability of error for

an optimum receiver will be

binary symbol X is such that P(X = 0) = 9/10, then the probability of error for

an optimum receiver will be

- a)a
- b)b
- c)c
- d)d

Correct answer is option 'A'. Can you explain this answer?

Asusutosh Guru asked • yesterday

In the given circuit, the moving-coil meter gives full-scale deflection reading when the average current

flowing through it is 1mA. The moving coil meter has internal resistance of 50?. Find the value of R that results meter a full scale deflection.

flowing through it is 1mA. The moving coil meter has internal resistance of 50?. Find the value of R that results meter a full scale deflection.

- a)9950?
- b)1566.5?
- c)3133?
- d)6266?

Correct answer is option 'C'. Can you explain this answer?

Ramya Srivalli asked • yesterday

In an unbiased P-N Junction zero current implies that

- a)The potential biases has disappeared
- b)No. of holes diffusing from P-side to N-side equals the no. of electrons diffusing from N-side to P-side
- c)Total current crossing Junction from P-side to N-side equals the total current crossing Junction from N-side top-side
- d)No carriers cross the Junction

Correct answer is option 'C'. Can you explain this answer?

Vikas Pandey asked • 2 days ago

The PSD and the power of a signal *g*(*t*) are respectively S_{g}(ω) and P_{g}, the PSD and the power of signal *a*.*g*(*t*) are respectively

- a)
*a*S^{2}_{g}(ω) and*a*^{2}P_{g} - b)
*a*S_{g}^{2}(ω) and*a*P_{g} - c)
*a*S_{g}(ω) and*a*^{2}P_{g} - d)
*a*S_{g}(ω) and*a*P_{g}

Correct answer is option 'A'. Can you explain this answer?

Saurabh Anand asked • 2 days ago

For the patterns shown in figure (i) and (ii) if the frequency applied to horizont al plate is 50 Hz t hen,

the frequencies of the vert ical plates will be respectively

the frequencies of the vert ical plates will be respectively

- a)25 Hz and 50 Hz
- b)100 Hz each
- c)25 Hz and 100 Hz
- d)100 Hz and 50 Hz

Correct answer is option 'C'. Can you explain this answer?

Sushmita Chandra asked • 2 days ago

Assertion (A): Sometimes a quarter wave line is called as impedance inverter.

Reason (R): The quarter wavelength line transforms a load impedance Z_{R} that is smaller than Z_{0} into a value Z_{s} that is larger than Z_{0} and vice-versa.

Reason (R): The quarter wavelength line transforms a load impedance Z

- a)Both A and R are true and R is a correct explanation of A.
- b)Both A and R are true but R is not a correct explanation of A.
- c)A is true but R is false,
- d)A is false but R is true.

Correct answer is option 'A'. Can you explain this answer?

Sai Ram Reddy Bandi asked • 2 days ago

For a silicon p^{+} n junction diode the doping concentrations are N_{a} = 10^{18} cm^{-3} and N_{d }= 10^{16 }cm^{-3}. The minority carrier hole diffusion coefficient is D_{p} = 12 cm^{2} / s and the minority carrier hole life time is τ_{po} = 10^{-7} s. The cross sectional area is A = 10^{-}^{4} cm^{2}. The reverse saturation current is

Vinitha Royal asked • 2 days ago

Match List-I with List-ll and select the correct answer using the codes given below the lists:

List-I

A. Immersion rod

B. Air conditioner

C. Automatic washing machine

D. Automatic control of traffic

List-ll

1. Open loop control system

2. Closed loop control system

3. Neither a closed loop nor an open loop system

List-I

A. Immersion rod

B. Air conditioner

C. Automatic washing machine

D. Automatic control of traffic

List-ll

1. Open loop control system

2. Closed loop control system

3. Neither a closed loop nor an open loop system

- a)a
- b)b
- c)c
- d)d

Correct answer is option 'D'. Can you explain this answer?

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