With forward bias to a pn junction , the width of depletion layer

The depletion layer width of Junction

A

Decreases with light doping

B

Is independent of applied voltage

C

Is increased under reverse bias

D

Increases with heavy doping

Routers operate at layer _____. LAN switches operate at layer _____. Ethernet hubs operate at layer _____. Word processing operates at layer _____.

A

3, 3, 1, 7

B

3, 2, 1, none

C

3, 2, 1, 7

D

3, 3, 2, none

E

All of the above

Under the depletion allowance method in computing depreciation, the depletion charge is equal to either ______ whichever is smaller.

A

Fixed percentage of gross income or the net taxable income

B

Fixed percentage of gross income or 50% of the net taxable income

C

50% of the fixed percentage of gross income or 50% of the net taxable income

D

50% of the fixed percentage of gross income or the net taxable income

The depletion allowance method of computing depletion is commonly known as ______.

A

Unit method

B

Percentage method

C

Factor method

D

Sinking fund method

In the depletion region of a pn junction, there is a shortage of

A

Acceptor ions

B

Holes and electrons

C

Donor ions

D

None of the above

The stability factor of a collector feedback bias circuit is ___________ that of base resistor bias.

A

The same as

B

More than

C

Less than

D

None of the above

A reverse bias pn junction has ___________

A

Very narrow depletion layer

B

Almost no current

C

Very low resistance

D

Large current flow

ABCD is a rectangle . If its lengthis decreased by 5 meter and the width is increased by 3 mete3r, the area de3creases by 2 meter, the area inceases by 67 square meter, What is the width width of ABCD?

A

9 meter

B

17 meter

C

18 meter

D

22 meter

The sum of the currents into a junction is equal to the sum of the currents out of that junction.

A

True

B

False

To turn on UJT, the forward bias on the emitter diode should be ___________ the peak point voltage.

A

Less than

B

Equal to

C

More than

D

None of the above

With forward bias to a pn junction , the width of depletion layer

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