1. The eigen values of a skew-symmetric matrix are
(A) always zero (B) always pure imaginary
(C) either zero or pure imaginary (D) always real
2.For parallel RLC circuit, which one of the following statements is NOT correct?
(A) The bandwidth of the circuit deceases if R is increased
(B) The bandwidth of the circuit remains same if L is increased
(C) At resonance, input impedance is a real quantity
(D) At resonance, the magnitude of input impedance attains its minimum value.
3.Thin gate oxide in a CMOS process in preferably grown using
(A) wet oxidation (B) dry oxidation
(C) epitaxial deposition (D) ion implantation
4.A transmission line has a characteristic impedance of 50 Ω and a resistance of 0.1 Ω /m. if the line is distortion less, the attenuation constant (in Np/m) is
(A) 500 (B) 5 (C) 0.014 (D) 0.002
5.The magnitude of the electric field at x=0.5 μm is
(A) 1kV/cm (B) 5kV/cm (C) 10 kV/cm (D) 26kV/cm
6.Which of the following options is the closest in meaning to the world below: Circuitous
(A) Cyclic (B) indirect (C) confusing (D) crooked
7. The question below consists of a pair of related of related words followed by four pairs of words. Select the pair that best expresses the relation in the original pair. Unemployed: Worker
(A) fallow : land (B) unaware : sleeper
(C) wit : jester (D) renovated : house
8.Choose the most appropriate word from the options given below to complete the following sentence: If we manage to ________ our natural resources, we would leave a better planet for our children.
(A) uphold (B) restrain (C) Cherish (D) conserve
9.Choose the most appropriate word from the options given below to complete the following sentence: His rather casual remarks on politics _______ his lack of seriousness about the subject.
(A) masked (B) belied (C) cherish (D) conserve
10. 25 persons are in a room. 15 of them play hockey, 17 of them play football and 10 of them play both hockey and football. Then the number of persons playing neither hockey nor football is:
(A) 2 (B) 17 (C) 13 (D) 3
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