Q. The Nyquist stability criterion and the Routh criterion both are powerful analysis tools for determining the stability of feedback controllers. Identify which of the following statements is FALSE: A. Both the criteria provide information relative to the stable gain range of the system. B. ...

Q. A good transimpedance amplifier has A. low input impedance and high output impedance. B. high input impedance and high output impedance. C. high input impedance and low output impedance. D. low input impedance and low output impedance. Ans: low input impedance and low output ...

Q. In the circuit shown below, the op-amp is ideal and Zener voltage of the diode is 2.5 volts. At the input, unit step voltage is applied, i.e. 𝑣𝐼𝑁(𝑡) = 𝑢(𝑡) volts. . Also, at 𝑡 = 0, the voltage across each of the capacitors is zero. The time 𝑡, in milliseconds, at which the output voltage ...

Q. A coastal region with unparalleled beauty is home to many species of animals. It is dotted with coral reefs and unspoilt white sandy beaches. It has remained inaccessible to tourists due to poor connectivity and lack of accommodation. A company has spotted the opportunity and is planning to ...

Q. A cab was involved in a hit and run accident at night. You are given the following data about the cabs in the city and the accident. i. 85% of cabs in the city are green and the remaining cabs are blue. ii. A witness identified the cab involved in the accident as blue. iii. It is known ...

Q. The Cricket Board has long recognized John’s potential as a leader of the team. However, his on-field temper has always been a matter of concern for them since his junior days. While this aggression has filled stadia with die-hard fans, it has taken a toll on his own batting. Until recently, it ...

Q. Two alloys A and B contain gold and copper in the ratios of 2:3 and 3:7 by mass, respectively. Equal masses of alloys A and B are melted to make an alloy C. The ratio of gold to copper in alloy C is  (A) 5:10(B) 7:13(C) 6:11(D) 9:13 Ans: 7:13 Sol: Alloy A contains Gold and Copper. ...

Q. Leila aspires to buy a car worth Rs. 10,00,000 after 5 years. What is the minimum amount in Rupees that she should deposit now in a bank which offers 10% annual rate of interest, if the interest was compounded annually? (A) 5,00,000                                       (B) 6,21,000 ...

Q. A 1.5 m tall person is standing at a distance of 3 m from a lamp post. The light from the lamp at the top of the post casts her shadow. The length of the shadow is twice her height. What is the height of the lamp post in meters? (A) 1.5 (B) 3    (C) 4.5 (D) 6 Ans: 3 Sol:

Q. “Even though there is a vast scope for its_______, tourism has remained a/an__________area.” The words that best fill the blanks in the above sentence are (A) improvement, neglected (B) rejection, approved  (C) fame, glum (D) interest, disinterested Ans: Improvement, neglected

Q. “By giving him the last_______of the cake, you will ensure lasting_______in our house today.” The words that best fill the blanks in the above sentence are (A) peas, piece(B) piece, peace(C) peace, piece(D) peace, peas Ans: piece, peace

Q. A tetrapeptide, made up of natural amino acids, has alanine as the N-terminal residue which is coupled to a chiral amino acid. Upon complete hydrolysis, the tetrapeptide gives glycine, alanine, phenylalanine and leucine. The number of possible sequences of the tetrapeptide is         . Ans: ...