Match List-I (Application of Signals) with
List-II (Defamation) and select the correct
answer using the code given below
List-I
A. Reconstruction
B. Over sampling
C. Interpolation
D. Decimation
List -II
1. Sampling rate is chosen significantly
greater than the Nyquist rate
2. A mixture of continuous and discrete
time signals
3. To convert the discrete time sequence
back to a continuous time signal and
then resample
4. Assign values between samples and
signals
Codes;
A B C D
a. 3 4 1 2
b. 2 1 4 3
c. 3 1 4 2
d. 2 4 1 3
Q. The sine wave output of a function generator is fed to both the horizontal (X)and vertical (Y) inputs of a CR0. What will be the pattern on the cathode ray screen?
a. A circle
b. An ellipse
c. A straight line with 45° slope
d. Sinusoidal
Assertion (A): Time varying electric field produces magnetic fields.
Reason (R): Time varying magnetic field produces electric fields.
a. Both A and R are individually true and R is the correct explanation of A.
b. Both A and R are individually true but R is not the correct explanation of A.
c. A is true but R is false
d. A is false but R is true
Q. A quarter wave impedance transformers is a terminated by short circuit. What would its input impedance be equal to?
a. The line characteristic impedance
b. Zero
c. Infinity
d. Square root of the line characteristic impedance
Q. Which one of the following is the correct statement? A rectangular coaxial line can support
a. only TEM mode of propagation
b. both TEM and TE modes of propagation
c. either TE or TM mode of propagation
d. TEM, TE or TM mode of propagation
Q. A coil is turned to resonance of 500 kHz with a resonating capacitor of 36 pF. At 250 kHz, the resonance is obtained with resonating capacitors of 160 pF. What is the self capacitance of the coil?
mathematics never dies because it always stays in the minds and souls of people who love mathematics.
Those people will not let maths die instead they will die.................