1
TS EAMCET 2023 (Online) 13th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

The symbol given below represents

TS EAMCET 2023 (Online) 13th May Evening Shift Physics - Semiconductor Devices and Logic Gates Question 29 English

A

a $p-n-p$ transistor

B

an n-p-n transistor

C

a p-n junction diode

D

an inductor

2
TS EAMCET 2023 (Online) 13th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

A telephonic communication service is working at a carrier frequency of 20 GHz . Only $20 \%$ of it is utilised for transmission. If each channel requires a bandwidth of 5 kHz , then the number of telephonic channels that can be transmitted simultaneously are

A

$6 \times 10^5$

B

$2 \times 10^5$

C

$8 \times 10^5$

D

$4 \times 10^5$

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