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Electronics and Communication Engineering - Electromagnetic Field Theory

Exercise : Electromagnetic Field Theory - Section 16
36.
When diodes are connected in series to increase voltage rating the peak inverse voltage per junction
should not exceed half the breakdown voltage
should not exceed the breakdown voltage
should not exceed one third the breakdown voltage
may be equal to or less than breakdown voltage
Answer: Option
Explanation:
No answer description is available. Let's discuss.
37.
Hall effect is observed in a specimen when it is carrying current and is placed in a magnetic field. The resultant electric field inside the specimen is
normal to both current and magnetic field
in the direction of current
antiparallel to magnetic field
in arbitrary direction
Answer: Option
Explanation:
No answer description is available. Let's discuss.
38.
In an ideal diode there is no breakdown, no __________ current, and no forward __________ drop.
reverse, voltage
forward, current
forward, voltage
reverse, current
Answer: Option
Explanation:
No answer description is available. Let's discuss.
39.
Silicon is not suitable for fabrication of light emitting diodes because it is
an indirect band gap semiconductor
direct band gap semiconductor
wideband gap semiconductor
narrowband gap semiconductor
Answer: Option
Explanation:
No answer description is available. Let's discuss.
40.
MOSFET can be used as a
current controlled capacitor
voltage controlled capacitor
current controlled inductor
voltage controlled inductor
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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