1
AP EAPCET 2025 - 21st May Morning Shift
MCQ (Single Correct Answer)
+1
-0

A Zener diode of breakdown voltage 20 V is connected as shown in the given circuit. The current through Zener diode is

AP EAPCET 2025 - 21st May Morning Shift Physics - Semiconductor Devices and Logic Gates Question 18 English
A

10 mA

B

4 mA

C

6 mA

D

8 mA

2
AP EAPCET 2025 - 21st May Morning Shift
MCQ (Single Correct Answer)
+1
-0

The voltage gains of two amplifiers connected in series are 8 and 12.5 . If the voltage of the input signal is $200 \mu \mathrm{~V}$, then the voltage of the output signal is

A

$50 \mu \mathrm{~V}$

B

$20 \mu \mathrm{~V}$

C

20 mV

D

50 mV

3
AP EAPCET 2025 - 21st May Morning Shift
MCQ (Single Correct Answer)
+1
-0

If the sum of heights of transmitting and receiving antennas in line of sight of communication is ' $h$ ' then the height of receiving antenna, to have the range maximum is

A

$\frac{h}{2}$

B

$\frac{h}{4}$

C

2 h

D

$\frac{2 h}{3}$