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The cell in the circuit shows in Fig is ideal. The coil has an inductance of 4 mH and a resistance of 2mΩ. The switch is closed at t=0. The amount of energy stored in the inductor at t = 2 s is (take e = 3)
22
Oct
The cell in the circuit shows in Fig is ideal. The coil has an inductance of 4 mH and a resistance of 2mΩ. The switch is closed at t=0. The amount of energy stored in the inductor at t = 2 s is (take e = 3) C = 2μF E 1 = 3 V [...]
A particle of mass m is executing uniform circular motion on a path of radius r. If p is the magnitude of its linear momentum, then the radial force acting on the particle is
22
Oct
A particle of mass m is executing uniform circular motion on a path of radius r. If p is the magnitude of its linear momentum, then the radial force acting on the particle is A particle of mass m is executing uniform circular motion on a path of radius r. If p is the magnitude [...]
Switch S shown in figure is closed for t < 0 and is opened at t = 0 . when currents through L1 and L2 are equal , their common value is
22
Oct
Switch S shown in figure is closed for t < 0 and is opened at t = 0 . when currents through L1 and L2 are equal , their common value is Switch S shown in figure is closed for t < 0 and is opened at t = 0 . when currents through L1 [...]
In short wave communication waves, which of the following frequencies will be reflected back by the ionospheric layer, having electron density 10^11 per m^3 ?
22
Oct
In short wave communication waves, which of the following frequencies will be reflected back by the ionospheric layer, having electron density 10^11 per m^3 ? having electron density 10^11 per m^3 ? In short wave communication waves which of the following frequencies will be reflected back by the ionospheric layer October 22, 2020 Category: Uncategorised [...]
In the given detector circuit, the suitable value of carrier frequency is
22
Oct
In the given detector circuit, the suitable value of carrier frequency is In the given detector circuit the suitable value of carrier frequency is October 22, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
A body of mass 0.5kg is projected under the gravity with a speed of 98m/s at an angle of 30^∘ with the horizontal. The change in momentum (in magnitude) of the body when it strikes the ground is
22
Oct
A body of mass 0.5kg is projected under the gravity with a speed of 98m/s at an angle of 30^∘ with the horizontal. The change in momentum (in magnitude) of the body when it strikes the ground is A body of mass 0.5kg is projected under the gravity with a speed of 98m/s at an [...]
A ground receiver station is receiving a signal at 5 MHz and transmitted from a ground transmitter at a height of 300 m, located at a distance of 100 km from the receiver station.
22
Oct
A ground receiver station is receiving a signal at 5 MHz and transmitted from a ground transmitter at a height of 300 m, located at a distance of 100 km from the receiver station. A ground receiver station is receiving a signal at 5 MHz and transmitted from a ground transmitter at a height of [...]
In a radio receiver, the short wave and medium wave stations are tuned by using the same capacitor but coils of different inductance Ls and Lm, respectively, then
22
Oct
In a radio receiver, the short wave and medium wave stations are tuned by using the same capacitor but coils of different inductance Ls and Lm, respectively, then In a radio receiver respectively the short wave and medium wave stations are tuned by using the same capacitor but coils of different inductance Ls and Lm [...]
An amplitude modulated wave is modulated to 50%. What is the saving in power if carrier as well as one of the side bands are suppressed ?
22
Oct
An amplitude modulated wave is modulated to 50%. What is the saving in power if carrier as well as one of the side bands are suppressed ? An amplitude modulated wave is modulated to 50%. What is the saving in power if carrier as well as one of the side bands are suppressed ? October [...]
If the kinetic energy of a body increases by 0.1% the percent increase of its momentum will be
22
Oct
If the kinetic energy of a body increases by 0.1% the percent increase of its momentum will be If the kinetic energy of a body increases by 0.1% the percent increase of its momentum will be October 22, 2020 Category: Cengage NEET by C.P Singh , Chapter 10 - COM, Momentum and Collision , Part [...]