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Electronics and Communication Engineering - Analog Electronics

Exercise : Analog Electronics - Section 10
1.
Pick the odd-one out
Hartley Oscillator
Colpitt oscillator
Clapp oscillator
Weinbridge oscillator
Answer: Option
Explanation:
No answer description is available. Let's discuss.
2.
In a CE amplifier the output coupling capacitor is short circuited. The dc collector voltage
will increase
may increase or decrease
will remain the same
will decrease
Answer: Option
Explanation:
No answer description is available. Let's discuss.
3.
A certain transistor has adc of 0.98 and a collectors leakage current of 5 μA. If IE = 1 mA, the collector current will be
1.005 mA
0.985 mA
0.975 mA
0.955 mA
Answer: Option
Explanation:
No answer description is available. Let's discuss.
4.
If 1.5% of the output of an amplifier is feedback positively to the input, the minimum gain required of the amplifier for oscillations to occur, is
16.6
44.4
66.6
75
Answer: Option
Explanation:
No answer description is available. Let's discuss.
5.
The use of a capacitor filter in a rectifier circuit gives satisfactory performance only when the load
current is high
current is low
voltage is high
voltage is low
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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