Electronics and Communication Engineering - Electronic Devices and Circuits
Exercise : Electronic Devices and Circuits - Section 3
- Electronic Devices and Circuits - Section 14
- Electronic Devices and Circuits - Section 27
- Electronic Devices and Circuits - Section 26
- Electronic Devices and Circuits - Section 25
- Electronic Devices and Circuits - Section 24
- Electronic Devices and Circuits - Section 23
- Electronic Devices and Circuits - Section 22
- Electronic Devices and Circuits - Section 21
- Electronic Devices and Circuits - Section 20
- Electronic Devices and Circuits - Section 19
- Electronic Devices and Circuits - Section 18
- Electronic Devices and Circuits - Section 17
- Electronic Devices and Circuits - Section 16
- Electronic Devices and Circuits - Section 15
- Electronic Devices and Circuits - Section 1
- Electronic Devices and Circuits - Section 13
- Electronic Devices and Circuits - Section 12
- Electronic Devices and Circuits - Section 11
- Electronic Devices and Circuits - Section 10
- Electronic Devices and Circuits - Section 9
- Electronic Devices and Circuits - Section 8
- Electronic Devices and Circuits - Section 7
- Electronic Devices and Circuits - Section 6
- Electronic Devices and Circuits - Section 5
- Electronic Devices and Circuits - Section 4
- Electronic Devices and Circuits - Section 3
- Electronic Devices and Circuits - Section 2
46.
The energy stored in a coil is 108 J. It is opened suddenly in 10 ms. The power dissipated instantaneously across the blades of switch is
Answer: Option
Explanation:
47.
A parallel RLC circuit with R1 = 20, 
is scaled giving R2 = 104, L2 = 10-4 and C2, the value of C2 is
is scaled giving R2 = 104, L2 = 10-4 and C2, the value of C2 isAnswer: Option
Explanation:
0.02 x 10-8 0.2 nF.
48.
Thermistor has a positive temperature coefficient.
Answer: Option
Explanation:
Temperature coefficient of thermistor is negative.
49.
In figure, power in 6 Ω resistor is zero then V =
Answer: Option
Explanation:
Power in 6Ω resistor can be zero only if current in 6Ω resistor is zero. Therefore, voltages of nodes a and b are equal 
. Since equal resistances of 5Ω are on two sides of node b, 
.
50.
The Thevenin's equivalent of network in figure(1) is a 10 V source in series with 2 Ω resistance. If a 3 Ω resistance is connected across AB as shown in figure(2) the Thevenin's equivalent is
Answer: Option
Explanation:
.
Quick links
Quantitative Aptitude
Verbal (English)
Reasoning
Programming
Interview
Placement Papers