In the transistor schematic symbol, the arrow
A. is located on the emitter
B. is located on the base
C. is locate on the collector
D. points form north to south
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Physics
Which of the following has the greatest energy gap ?
A. insulator
B. conductor
C. semi conductor
D. any of above
Which of the following has the greatest energy gap ? Read More »
The velocity of an oscillating charge as it moves to and fro along a wire is always
A. constant
B. zero
C. changing
D. infinite
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Identify the correct statement about minority carriers
A. holes in n-type and free electrons in ptype
B. holes in n-type and p-type
C. free electrons in n-type and holes in ptype
D. free electrons in n-type and p-type
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In n-p-n transistor, p works as
A. collector
B. emitter
C. base
D. any of above
In n-p-n transistor, p works as Read More »
p-n junction when reversed biased acts as a
A. capacitor
B. inductor
C. on switch
D. off switch
p-n junction when reversed biased acts as a Read More »
Semi-conductor germanium and silicon are
A. pentavalent
B. trivalent
C. divalent
D. tetravalent
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Electrons present in p-type material due to thermal pair generation are
A. majority carriers
B. minority carriers
C. dual carriers
D. blockers
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The velocity of laser light is
A. Less than ordinary light
B. More than ordinary light
C. Equal to ordinary light
D. Different for different colours or frequency
Answer: Option C.
The velocity of laser light is Read More »