Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions)
An antenna is a device (1) that converts electromagnetic energy into radio frequency signal (2) that converts radio frequency signal into electromagnetic energy
22
Oct
An antenna is a device (1) that converts electromagnetic energy into radio frequency signal (2) that converts radio frequency signal into electromagnetic energy An antenna is a device (1) that converts electromagnetic energy into radio frequency signal (2) that converts radio frequency signal into electromagnetic energy October 22, 2020 Category: Uncategorised (JEE Advanced Physics by [...]
An AM wave has 1800 W of total power content, For 100% modulation, the carrier should have power content equal to
22
Oct
An AM wave has 1800 W of total power content, For 100% modulation, the carrier should have power content equal to An AM wave has 1800 W of total power content For 100% modulation the carrier should have power content equal to October 22, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP [...]
Which of the following is the disadvantage of FM over AM ? (1) Larger band width requirement (2) Larger noise (3) Higher modulation power
22
Oct
Which of the following is the disadvantage of FM over AM ? (1) Larger band width requirement (2) Larger noise (3) Higher modulation power Which of the following is the disadvantage of FM over AM ? (1) Larger band width requirement (2) Larger noise (3) Higher modulation power October 22, 2020 Category: Uncategorised (JEE Advanced [...]
Sinusoidal carrier voltage of frequency 1.5 MHz and amplitude 50 V is amplitude modulated by sinusoidal voltage of frequency 10 KHz producing 50% modulation. The lower and upper
22
Oct
Sinusoidal carrier voltage of frequency 1.5 MHz and amplitude 50 V is amplitude modulated by sinusoidal voltage of frequency 10 KHz producing 50% modulation. The lower and upper Sinusoidal carrier voltage of frequency 1.5 MHz and amplitude 50 V is amplitude modulated by sinusoidal voltage of frequency 10 KHz producing 50% modulation. The lower and [...]
The maximum peak to peak voltage of an AM wire is 24 mV and the minimum peak to peak voltage is 8 mV. The modulation factor is
22
Oct
The maximum peak to peak voltage of an AM wire is 24 mV and the minimum peak to peak voltage is 8 mV. The modulation factor is The maximum peak to peak voltage of an AM wire is 24 mV and the minimum peak to peak voltage is 8 mV. The modulation factor is October [...]
An oscillator is producing FM waves of frequency 2 kHz with a variation of 10 kHz. What is the modulating index ?
22
Oct
An oscillator is producing FM waves of frequency 2 kHz with a variation of 10 kHz. What is the modulating index ? An oscillator is producing FM waves of frequency 2 kHz with a variation of 10 kHz. What is the modulating index ? October 22, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma [...]
Laser beams are used to measure long distances because (1) they are monochromatic (2) they are highly polarised (3) they are coherent
22
Oct
Laser beams are used to measure long distances because (1) they are monochromatic (2) they are highly polarised (3) they are coherent Laser beams are used to measure long distances because (1) they are monochromatic (2) they are highly polarised (3) they are coherent October 22, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma [...]
Maximum usable frequency (MUF) in F-region layer is x, when the critical frequency is 60 MHz and the angle of incidence is 70. Then x is
22
Oct
Maximum usable frequency (MUF) in F-region layer is x, when the critical frequency is 60 MHz and the angle of incidence is 70. Then x is Maximum usable frequency (MUF) in F-region layer is x when the critical frequency is 60 MHz and the angle of incidence is 70. Then x is October 22, 2020 [...]
For television broadcasting, the frequency employed is normally (1) 30-300 MHz (2) 30-300 GHz
22
Oct
For television broadcasting, the frequency employed is normally (1) 30-300 MHz (2) 30-300 GHz For television broadcasting the frequency employed is normally (1) 30-300 MHz (2) 30-300 GHz October 22, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
The carrier frequency generated by a tank circuit containing 1 nF capacitor and 10 mu H inductor is
22
Oct
The carrier frequency generated by a tank circuit containing 1 nF capacitor and 10 mu H inductor is The carrier frequency generated by a tank circuit containing 1 nF capacitor and 10 mu H inductor is October 22, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,