കവി gain close to unity, high input resistance, low output resistance, 180 degree phase shift between input and output
B:-Current gain close to unity, high input resistance, low output resistance, 180 degree phase shift between input and output
C:Voltage gain close to unity, high input resistance, low output resistance, 0 degree phase shift between input and output
D:-Voltage gain close to unity, high input resistance, high output resistance, 0 degree phase shift between input and output
Correct Answer: Option-C

‘Question24:-A Wien bridge oscillator circuit with an operational amplifier as the active element has a resistor 8, connected from the opamp output terminal to inverting input terminal
‘and a resistor R: connected from the inverting input terminal to ground. Assume R, and 8, are selected to meet the conditions for oscillation. The amplitude of oscillation can be
stabilised by

‘Ac Using a sensistor as Rs
B:-Using a thermistor as 8,

C-Using a sensistor as 8,

D:-Using sensistor as R, and thermistor as Rs
Correct Answer:- ೦೧000

Question25:-Assume we need to ensure at least 50 cycles of carrier in Amplitude Modulation (AM) for an audio signal with spectrum extending from 20 Hz to 20 kHz. The AM radio
carrier can be selected to have a typical value of

ایا وملسم
‎B:-1000 kHz‏
042 یچین
‎Del kHz‏
‎Correct Answer: Option ®‏
‎Question26::Which of the following constitutes the central processing unit of a computer ?‏
‎‘Ac Control Unit, Arithmetic Logic Unit‏
‎B:-Keyboard, Mouse and Screen‏
‎ಆ Hard disk and Cache‏
‎D-Interconnection Network and Cables‏
‎Correct Answer:- ೦೧000‏
‎Question27:-The data used for computer processing is usually represented in a particular format. Which of the following is the format used ?‏
‎‘AcBinary Coded Decimal‏
‎B:-Binary‏
‎C:-Hexadecimal‏
‎D:-Decimal‏
‎Correct Answer:- ೦೧000‏

‘Question28::Which of the following represents a Loop structure in 0 7

ىس ”1
| | 7 |

5

©

اکا
7
‎(a)‏

Only (०0
B:-Only (0)
Both (a) and (b)
De-Bath (0) and (ಐ.
Correct Answer: ೦00೦೧,
Question29::What is the output of the following code ?
void 72100

{

1೬1):