1
AP EAPCET 2024 - 21th May Morning Shift
MCQ (Single Correct Answer)
+1
-0
Which of the following produces electromagnetic waves?
A
Stationary charges
B
Charges in uniform motion
C
Accelerating charges
D
Stationary magnet
2
AP EAPCET 2024 - 20th May Morning Shift
MCQ (Single Correct Answer)
+1
-0
The average value of electric energy density in an electromagnetic wave is where $E_0$ is peak value
A
$\frac{E_0 E_{\pi m}^2}{4}$
B
$\frac{1}{2} \varepsilon_0 E_0^2$
C
$\frac{1}{2} e_0 E_0$
D
$\frac{1}{4} \varepsilon_0 E_0^2$
3
AP EAPCET 2024 - 19th May Evening Shift
MCQ (Single Correct Answer)
+1
-0
An electromagnetic wave travel in a medium with a speed of $2 \times 10^8 \mathrm{~ms}^{-1}$. The relative permeability of the medium is 1 . Then, the relative permittivity is
A
1.75
B
2
C
2.28
D
2.75
4
AP EAPCET 2024 - 19th May Evening Shift
MCQ (Single Correct Answer)
+1
-0
A message signal of 3 kHz is used to modulate a carric signal frequency 1 MHz , using amplitude modulation. The upper side band frequency and band width respectively are
A
1.003 MHz and 6 kHz
B
0.997 MHz and 6 kHz
C
1.003 MHz and 3 kHz
D
1.003 MHz and 2 MHz
AP EAPCET Subjects
EXAM MAP