Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions)
A wire of fixed length is wound on a solenoid of length l and radius r. Its self-inductance is found to be L. Now, if the same wire is wound on a solenoid of length l/2 and radius r/2 then the self-inductance will be
23
Oct
A wire of fixed length is wound on a solenoid of length l and radius r. Its self-inductance is found to be L. Now, if the same wire is wound on a solenoid of length l/2 and radius r/2 then the self-inductance will be A wire of fixed length is wound on a solenoid of [...]
In AM, the cent percent modulation is achieved when (1) carrier amplitude = signal amplitude (2) carrier amplitude not equal to single amplitude
23
Oct
In AM, the cent percent modulation is achieved when (1) carrier amplitude = signal amplitude (2) carrier amplitude not equal to single amplitude In AM the cent percent modulation is achieved when (1) carrier amplitude = signal amplitude (2) carrier amplitude not equal to single amplitude October 23, 2020 Category: Uncategorised (JEE Advanced Physics by [...]
in the circuit of figure , (1) and ( 2) are ammeters. Just after key K is pressed to complete the circuit, the reading is
23
Oct
in the circuit of figure , (1) and ( 2) are ammeters. Just after key K is pressed to complete the circuit, the reading is (1) and ( 2) are ammeters. Just after key K is pressed to complete the circuit In the circuit of figure the reading is October 23, 2020 Category: Uncategorised (JEE [...]
A telephone link operating at a central frequency of 10 GHz is established. If 1 % of this is available then how many telephone channel can be simultaneously given when each
23
Oct
A telephone link operating at a central frequency of 10 GHz is established. If 1 % of this is available then how many telephone channel can be simultaneously given when each A telephone link operating at a central frequency of 10 GHz is established. If 1 % of this is available then how many telephone [...]
A transmitter transmits a power of 10 kW when modulation is 50%. Power of carrier wave is
23
Oct
A transmitter transmits a power of 10 kW when modulation is 50%. Power of carrier wave is A transmitter transmits a power of 10 kW when modulation is 50%. Power of carrier wave is October 23, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
An antenna current of an AM broadcast transmitter modulated by 50% is 11 A. The
23
Oct
An antenna current of an AM broadcast transmitter modulated by 50% is 11 A. The An antenna current of an AM broadcast transmitter modulated by 50% is 11 A. The October 23, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
Mean optical power launched into an 8 km fibre is 120 mu W and mean output power is 4 mu W, then the overall attenuation is
23
Oct
Mean optical power launched into an 8 km fibre is 120 mu W and mean output power is 4 mu W, then the overall attenuation is Mean optical power launched into an 8 km fibre is 120 mu W and mean output power is 4 mu W then the overall attenuation is October 23, 2020 [...]
The electron density of E, F1, F2 layers of ionosphere is 2 * 10^11, 5 * 10^11 and 8 * 10^11 m^-3 respectively. What is the ratio of critical frequency for reflection of radiowaves ?
23
Oct
The electron density of E, F1, F2 layers of ionosphere is 2 * 10^11, 5 * 10^11 and 8 * 10^11 m^-3 respectively. What is the ratio of critical frequency for reflection of radiowaves ? 5 * 10^11 and 8 * 10^11 m^-3 respectively. What is the ratio of critical frequency for reflection of radiowaves [...]
In an FM system a 7 kHz signal modulates 108 MHz carrier so that frequency deviation is 50 KHz. The carrier swing is
23
Oct
In an FM system a 7 kHz signal modulates 108 MHz carrier so that frequency deviation is 50 KHz. The carrier swing is In an FM system a 7 kHz signal modulates 108 MHz carrier so that frequency deviation is 50 KHz. The carrier swing is October 23, 2020 Category: Uncategorised (JEE Advanced Physics by [...]
An optical fibre communication system works on a wavelength of 1.3 mu m. The number of subscribers it can feed if a channel requires 20 KHz are
23
Oct
An optical fibre communication system works on a wavelength of 1.3 mu m. The number of subscribers it can feed if a channel requires 20 KHz are An optical fibre communication system works on a wavelength of 1.3 mu m. The number of subscribers it can feed if a channel requires 20 KHz are October [...]