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Electronic Devices and Circuits
Assertion (A): A JFET can be used as a current source.Reason (R): In beyond pinch off region the current in JFET is nearly constant.
Both A and R are true but R is not a correct explanation of A
A is true but R is false
A is false but R is true
Both A and R are true and R is correct explanation of A
Both A and R are true but R is not a correct explanation of A
A is true but R is false
A is false but R is true
Both A and R are true and R is correct explanation of A
Answer
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Related Question
Electronic Devices and Circuits
Permalloy is
A variety of stainless steel
A conon-ferrous alloy used in aircraft industry
A polymer
A nickel an iron alloy having high permeability
A variety of stainless steel
A conon-ferrous alloy used in aircraft industry
A polymer
A nickel an iron alloy having high permeability
Answer
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Electronic Devices and Circuits
Piezoelectric quartz crystal resonators find application where
Rectification of the signal is required
Modulation of signal is required
Signal frequency control is required
Signal amplification is required
Rectification of the signal is required
Modulation of signal is required
Signal frequency control is required
Signal amplification is required
Answer
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Electronic Devices and Circuits
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
may be equal to or less than breakdown voltage
should not exceed one third the breakdown voltage
should not exceed half the breakdown voltage
should not exceed the breakdown voltage
may be equal to or less than breakdown voltage
should not exceed one third the breakdown voltage
Answer
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Electronic Devices and Circuits
An electron in the conduction band
Jumps to the top of the crystal
Has higher energy than the electron in the valence band
Loses its charge easily
Has lower energy than the electron in the valence band
Jumps to the top of the crystal
Has higher energy than the electron in the valence band
Loses its charge easily
Has lower energy than the electron in the valence band
Answer
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Electronic Devices and Circuits
When avalanche breakdown occurs covalent bonds are not affected.
True
False
True
False
Answer
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