Last Updated On 16-03-2023 - By Jeesha Sara
The modulation frequency of an AM radio station is 250 kHz, which is 10% of the carrier wave. If another AM station approaches you for license what broadcast frequency will you allot?
(a)
2750 kHz
(b)
2000 kHz
(c)
2250 kHz
(d)
2900 kHz
The modulation frequency of an AM radio station is 250 kHz, which is 10% of the carrier wave. If another AM station approaches you for license what broadcast frequency will you allot?
(a)
2750 kHz
(b)
2000 kHz
(c)
2250 kHz
(d)
2900 kHz
Question ID - 50257 :-
The modulation frequency of an AM radio station is 250 kHz, which is 10% of the carrier wave. If another AM station approaches you for license what broadcast frequency will you allot?
(a)
2750 kHz
(b)
2000 kHz
(c)
2250 kHz
(d)
2900 kHz
|
The modulation frequency of an AM radio station is 250 kHz, which is 10% of the carrier wave. If another AM station approaches you for license what broadcast frequency will you allot? |
|||
|
(a) |
2750 kHz |
(b) |
2000 kHz |
|
(c) |
2250 kHz |
(d) |
2900 kHz |
=
=2500 kHz
∴Range of signal=2250 Hz to 2750 Hz
Now check all options:
for 2000 KHZ 
=200 Hz
∴Range =1800 kHz to 2200 kHz
Next Question :
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A hope and a solid cylinder of same mass and radius are made of a permanent magnetic material with their magnetic moment parallel to their respective axes. But the magnetic moment of hoop is twice of solid cylinder. They are placed in a uniform magnetic field in such a manner that their magnetic moments make a small angle with the field. If the oscillation periods if hoop and cylinder are Th and Tc respectively, then: |
|||
|
(a) |
Th=0.5 Tc |
(b) |
Th=2 Tc |
|
(c) |
Th=1.5 Tc |
(d) |
Th=Tc |
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