Electronics and Communication Engineering - Analog Electronics
Exercise : Analog Electronics - Section 3
- Analog Electronics - Section 11
- Analog Electronics - Section 21
- Analog Electronics - Section 20
- Analog Electronics - Section 19
- Analog Electronics - Section 18
- Analog Electronics - Section 17
- Analog Electronics - Section 16
- Analog Electronics - Section 15
- Analog Electronics - Section 14
- Analog Electronics - Section 13
- Analog Electronics - Section 12
- Analog Electronics - Section 1
- Analog Electronics - Section 10
- Analog Electronics - Section 9
- Analog Electronics - Section 8
- Analog Electronics - Section 7
- Analog Electronics - Section 6
- Analog Electronics - Section 5
- Analog Electronics - Section 4
- Analog Electronics - Section 3
- Analog Electronics - Section 2
6.
In the circuit figure LED will be on when v1 is
Answer: Option
Explanation:
Voltage input to inverting input is 
. Therefore, vi should be more than 6 V.
7.
A differential amplifier consists of two CB amplifiers.
Answer: Option
Explanation:
It consists of two CE amplifiers.
8.
Figure shows a portion of linear v - i characteristics of diode. If applied voltage is + 6 V, the current will be
Answer: Option
Explanation:
.
9.
A power transistor dissipates 5 W. If ambient temperature is 30° and case to air thermal resistance is 10° C/W, the case temperature is
Answer: Option
Explanation:
10.
An R-C coupled amplifier has mid-frequency gain of 200 and a frequency response from 100 Hz to 20 kHz. A negative feedback network with β = 0.2 is incorporated into the amplifier circuit, the Bandwidth will be
Answer: Option
Explanation:
B.W. = fH' - fL' .
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