Match List I and List II and select the correct answer using the code given below the lists:
List-I
(Theorem/Law)
A. Norton's theorem
B. Superposition theorem
C. Thevenin's theorem
D. Kirchhoff's current law
List II
(Property)
1. Effect of independent sources in a linear circuit are additive
2. Law of non-accumulation of change holds good at nodes
3. Current source with shunt resistor
4. Voltage source with series resistor
Code:
A B C D
a. 2 4 1 3
b. 3 1 4 2
c. 2 1 4 3
d. 3 4 1 2
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. In a step-graded p-n junction diode, what is the ratio of depletion region penetration depths into p and n regions (if the ratio of accentur to donor impurity atoms densities of 1:2)?
Q. In n-channel enhancement MOSFET, at a fixed drain voltage
Option
a) the drain current is maximum at zero gate voltage and it decreases with applied negative gate voltage
b) the drain current has a finite value at zero gate voltage and it increases or decreases with the applied voltage of proper polarity
c) the drain current is zero at zero gate voltage and it increases with the positive applied gate voltage
d) the drain current is zero for negative bias voltage to gate and it increases as negativegate bias is decreased in magnitude
Q. What is the phase shift between the input and output voltage in a common-base small signal amplifier (assuming ideal coupling and bypass capacitors)?
a. 180°
b. -180°
c. 0°
d. None of the above
Q. A 0-250V voltmeter has a guaranteed accuracy of 1% full scale reading (deflection. The voltage measured by this instrument is 100V. The limiting error is given be
Q. Which one of the following is correct for ASCII codes for all upper case English letter compared to all lower case English letters?
a. Are all large
b. Are all smaller
c. Are all equal
d. Some are larger and some are smaller
Q. Which one of the following statements is correct?
Option
a) PROM contains a programmable AND array and a fixed OR array
b) PLA contains a fixed AND array and a programmable OR array
c) PROM contains a fixed AND array and a programmable OR array
d) PTA contains a programmable AND array and a fixed OR array
Q. The figure of merit of a logic family is given by
Option
a) gain bandwidth product
b) (propagation delay time) x (power dissipation)
c) (fan-out) x (propagation delay time)
d) (noise margin) x (power dissipation)