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1
TS EAMCET 2020 (Online) 11th September Evening Shift
MCQ (Single Correct Answer)
+1
-0

In $p-n-p$ transistor, the collector current is

A

equal to emitter current

B

slightly less than emitter current

C

greater than emitter current

D

half of emitter current

2
TS EAMCET 2020 (Online) 11th September Evening Shift
MCQ (Single Correct Answer)
+1
-0

The output of a NOR gate is HIGH when

A

all inputs are HIGH

B

any input is HIGH

C

any input is LOW

D

all inputs are LOW

3
TS EAMCET 2020 (Online) 11th September Morning Shift
MCQ (Single Correct Answer)
+1
-0

A $p-n$ junction diode can withstand upto 20 mA current under forward bias. The diode has a potential difference of 0.5 V across it, which is assumed to be independent of current. What is the maximum voltage of the battery used to forward bias the diode when a resistance of $125 \Omega$ is connected in series with it?

A

3.0 V

B

2.5 V

C

3.2 V

D

2.0 V

4
TS EAMCET 2020 (Online) 11th September Morning Shift
MCQ (Single Correct Answer)
+1
-0

In a Zener diode,

A

only p-region is heavily doped

B

only $n$-region is heavily doped

C

Both $p$ and $n$ regions are heavily doped

D

Both $p$ and $n$ regions are lightly doped

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