The logic circuit shown above is equivalent to :
The electric field in a region is given by vector E = 3/5E0 vector i + 4/5E0 vector j N/C. The ratio of flux of reported field through the rectangular surface of area 0.2m^2 (parallel to the Y-Z plane) is a : b, where a = ………
26
Sep
The electric field in a region is given by vector E = 3/5E0 vector i + 4/5E0 vector j N/C. The ratio of flux of reported field through the rectangular surface of area 0.2m^2 (parallel to the Y-Z plane) is a : b, where a = ……… The logic circuit shown above is equivalent to [...]
Given below are two statements : one is labelled as Assertion A and the other is labelled as Reason R. Assertion A : The escape velocities of planet A and B are same. But A and B are of unequal mass. Reason R : The product of their mass and radius must be same, M1R1 = M2R2 In the light of the above statements, choose the most appropriate answer from the options given below :
26
Sep
Given below are two statements : one is labelled as Assertion A and the other is labelled as Reason R. Assertion A : The escape velocities of planet A and B are same. But A and B are of unequal mass. Reason R : The product of their mass and radius must be same, M1R1 [...]
A solid sphere of radius R gravitationally attracts a particle placed at 3R form its centre with a force F1. Now a spherical cavity of radius (R/2) is made in the sphere (as shown in figure) and the force becomes F2. The value of F1 : F2 is :
26
Sep
A solid sphere of radius R gravitationally attracts a particle placed at 3R form its centre with a force F1. Now a spherical cavity of radius (R/2) is made in the sphere (as shown in figure) and the force becomes F2. The value of F1 : F2 is : The logic circuit shown above is [...]
Given below are two statement : Statement-I: A speech signal of 2 kHz is used to modulate a carrier signal of 1 MHz. The band width requirement for the signal is 4 kHz. Statement-II : The side band frequencies are 1002 kHz. and 998 kHz. In the light of the above statements, choose the correct answer from the options given below:
26
Sep
Given below are two statement : Statement-I: A speech signal of 2 kHz is used to modulate a carrier signal of 1 MHz. The band width requirement for the signal is 4 kHz. Statement-II : The side band frequencies are 1002 kHz. and 998 kHz. In the light of the above statements, choose the correct [...]
Two satellites A and B of masses 200 kg and 400 kg are revolving round the earth at height of 600 km and 1600 km respectively. If TA and TB are the time periods of A and B respectively then the value of TB – TA : [Given : radius of earth = 6400 km, mass of earth = 6 × 10^24 kg]
26
Sep
Two satellites A and B of masses 200 kg and 400 kg are revolving round the earth at height of 600 km and 1600 km respectively. If TA and TB are the time periods of A and B respectively then the value of TB – TA : [Given : radius of earth = 6400 km, [...]
A student is performing the experiment of resonance column. The diameter of the column tube is 6 cm. The frequency of the tuning fork is 504 Hz. Speed of the sound at the given temperature is 336 m/s. The zero of the meter scale coincides with the top end of the resonance column tube. The reading of the water level in the column when the first resonance occurs is:
26
Sep
A student is performing the experiment of resonance column. The diameter of the column tube is 6 cm. The frequency of the tuning fork is 504 Hz. Speed of the sound at the given temperature is 336 m/s. The zero of the meter scale coincides with the top end of the resonance column tube. The [...]
A signal of 0.1 kW is transmitted in a cable. The attenuation of cable is –5 dB per km and cable length is 20 km. The power received at receiver is 10^–x W. The value of x is …… [Gain in dB = 10 log10 (P0/Pi)]
26
Sep
A signal of 0.1 kW is transmitted in a cable. The attenuation of cable is –5 dB per km and cable length is 20 km. The power received at receiver is 10^–x W. The value of x is …… [Gain in dB = 10 log10 (P0/Pi)] The logic circuit shown above is equivalent to : [...]
A point charge of +12 μC is at a distance 6 cm vertically above the centre of a square of side 12 cm as shown in figure. The magnitude of the electric flux through the square will be ….. x 10^3 Nm^2/C .
26
Sep
A point charge of +12 μC is at a distance 6 cm vertically above the centre of a square of side 12 cm as shown in figure. The magnitude of the electric flux through the square will be ….. x 10^3 Nm^2/C . The logic circuit shown above is equivalent to : September 26, 2021 [...]
The root mean square speed of molecules of a given mass of a gas at 27°C and 1 atmosphere pressure is 200 ms^–1. The root mean square speed of molecules of the gas at 127°C and 2 atmosphere pressure is x /√ 3 ms^-1. The value of x will be …….
26
Sep
The root mean square speed of molecules of a given mass of a gas at 27°C and 1 atmosphere pressure is 200 ms^–1. The root mean square speed of molecules of the gas at 127°C and 2 atmosphere pressure is x /√ 3 ms^-1. The value of x will be ……. The logic circuit shown [...]
A uniform thin bar of mass 6 kg and length 2.4 meter is bent to make an equilateral hexagon. The moment of inertia about an axis passing through the centre of mass and perpendicular to the plane of hexagon is …… × 10^–1 kg m^2
26
Sep
A uniform thin bar of mass 6 kg and length 2.4 meter is bent to make an equilateral hexagon. The moment of inertia about an axis passing through the centre of mass and perpendicular to the plane of hexagon is …… × 10^–1 kg m^2 The logic circuit shown above is equivalent to : September [...]