AP ECET EEE 2016-8

1.8051 series has how many 16 bit registers

A. 2
B. 3
C. 1
D. 0.171

Answer : 2
Explain:-

2.There are two wires A and B. A is 20 times longer than B and has half the cross section of that of B. If the resistance of B is 1 ohm the resistance of A will be

A. 40 ohm
B. 1/40 ohm
C. 20 ohm
D. 10 ohm

Answer : 40 ohm
Explain:-

3.A double squirrel-cage induction motor has

A. Two rotors moving in opposite direction
B. Two parallel windings in stator
C. Two parallel windings in rotor
D. Two series windings in stator

Answer : Two parallel windings in rotor
Explain:-

4. A 100 watt light bulb burns on an average of 10 hours a day for one week. The weekly consumption of energy will be _____ units

A. 7
B. 70
C. 0.7
D. 0.07

Answer : 7
Explain:-

5. Which of the following theorems 1s applicable for both linear and non-linear circuits

A. Tellegen's Theorem
B. Superposition Theorem
C. Thevenin's Theorem
D. Norton's Theorem

Answer : Tellegen's Theorem
Explain:-

6.The unit of electric intensity is

A. J/C
B. N/C
C. V/m
D. C/m^2

Answer : N/C
Explain:-

7.If the dielectric of a capacitor is replaced by a conducting material the

A. Capacitor will get heated up owing eddy currents
B. Plates will get short circuited
C. Capacitor can store infinite charge
D. Capacitance will become very high

Answer : Plates will get short circuited
Explain:-

8. The magnetic field intensity (in A/m) at the centre of a circular coil of diameter 1m and carrying a curent of 2A is

A. 8
B. 4
C. 3
D. 2

Answer : 2
Explain:-

9. Two coupled coils with L1 = 0.16H have coupling coefficient of K=0.8. The turn ratio N1/N2, is

A. 4
B. 2
C. 1
D. 0.5

Answer : 1
Explain:-

10.The field current of a shunt excited generator is

A. Proportional to the terminal voltage
B. Proportional to the armature current
C. Proportional to the load current
D. Independent of terminal voltage

Answer : Proportional to the terminal voltage
Explain:-