Electrical Engineering Objective Questions { Material And Components }

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267. CEO

A. the collector current in the commonemitter-connected transistor with zero base current

B. the emitter current in the commoncollector-connected transistor with zero base current

C. the collector current in the commonemitter-connected transistor with zero emitter current

D. same as IcB0

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268. The common-emitter-input-volt-ampere characteristics may be shown by plots of

A. VcB versus lc for constant values of 1E

B. VcE versus lc for constant values of IB

C. VcE versus IE for constant values

D. VBE versus 113 for constant values of VcE

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269. The common-emitter-output-volt-ampere characteristics may be shown by plots of

A. VCB versus lc for constant values of IE

B. VcE versus lc for constant values of IB

C. VCE versus IE for constant values Of VEB

D. VBE versus 1B for constant vlaues of VcE

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270. B may be determined directly from the plots of

A. VcB versus 1 for constant values of IE

B. VEC versus IF for constant values of 1B

C. VCE versus I for constant values of IB

D. VBE versus IB for constant values of VcE

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271. The output resistance of the commonbase-connected transistor may be determined directly from the

B. VcB versus lc curves

C. VEB versus IE curves

D. VBc versus IB curves

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272. Most noticeable effect of a small increase in temperature in the common-emitterconnected transistor is

A. the increase in the ac current-transfer ratio

B. the decrease in the ac current-transfer ratio

C. the increase in output resistance

D. the increase in ICE()

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273. BV030 is

A. breakdown voltage of the collector junction

B. breakdown voltage of the emitter junction

C. base voltage of the common-collectorconnected transistor

D. base voltage of the common-baseconnected transistor with the emitter open

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