Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions)
Statement 1 : The temperature dependance of resistance is usually given as R = R0 (1 + alpha delta t ). The resistance of a wire changes from 100 ohm to 150 ohm when its temperature is increased from 27 C to 227 C.
24
Oct
Statement 1 : The temperature dependance of resistance is usually given as R = R0 (1 + alpha delta t ). The resistance of a wire changes from 100 ohm to 150 ohm when its temperature is increased from 27 C to 227 C. A certain mass of a solid exists at its melting temperature [...]
The switch S in the circuit is connected with point a for a very long time , the n it is shifted to position b. The resulting current through is shown by curves in the graph four sets of values for the resistance R and inductance L ( given in column 1 ). which set corresponds with which curve ?
24
Oct
The switch S in the circuit is connected with point a for a very long time , the n it is shifted to position b. The resulting current through is shown by curves in the graph four sets of values for the resistance R and inductance L ( given in column 1 ). which set [...]
In column I, some circuits are given . In all circuits expect in (i) switch s remains closed for a long time and then it is opened at t = 0; while for (i) the situation is reversed.
24
Oct
In column I, some circuits are given . In all circuits expect in (i) switch s remains closed for a long time and then it is opened at t = 0; while for (i) the situation is reversed. In column I some circuits are given . In all circuits expect in (i) switch s remains [...]
A calorimeter of water equivalent 10 g contains a liquid of mass 50 g at 40 C. When m gram of ice at -10 C is put into the calorimeter and the mixture is allowed to attain equilibrium,
24
Oct
A calorimeter of water equivalent 10 g contains a liquid of mass 50 g at 40 C. When m gram of ice at -10 C is put into the calorimeter and the mixture is allowed to attain equilibrium, A calorimeter of water equivalent 10 g contains a liquid of mass 50 g at 40 C. [...]
Column I shows some ac circuits. Column II gives some possibilities in the circuit . Match appropriately.
24
Oct
Column I shows some ac circuits. Column II gives some possibilities in the circuit . Match appropriately. Column I shows some ac circuits. Column II gives some possibilities in the circuit . Match appropriately. October 24, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
A block of ice of mass M = 13.44 kg slides on a horizontal surface. It starts with a speed v = 10 m/s and finally stops after moving a distance s = 30 m. What is the mass of ice
24
Oct
A block of ice of mass M = 13.44 kg slides on a horizontal surface. It starts with a speed v = 10 m/s and finally stops after moving a distance s = 30 m. What is the mass of ice A block of ice of mass M = 13.44 kg slides on a horizontal [...]
A certain mass of a solid exists at its melting temperature of 20 C. When a heat Q is added 3/4 of the material melts. When an additional Q amount of heat is added the material
24
Oct
A certain mass of a solid exists at its melting temperature of 20 C. When a heat Q is added 3/4 of the material melts. When an additional Q amount of heat is added the material A certain mass of a solid exists at its melting temperature of 20 C. When a heat Q is [...]
A lead ball at 25 C is dropped from a height of 2 km. It is heated due to air resistance and it is assumed that all of its kinetics energy is used in increasing the temperature of ball.
24
Oct
A lead ball at 25 C is dropped from a height of 2 km. It is heated due to air resistance and it is assumed that all of its kinetics energy is used in increasing the temperature of ball. A lead ball at 25 C is dropped from a height of 2 km. It is [...]
Figure shows two coaxial coils M and N. Column I is regarding some operations done with coil M and column II about induced current in coil N.
24
Oct
Figure shows two coaxial coils M and N. Column I is regarding some operations done with coil M and column II about induced current in coil N. Figure shows two coaxial coils M and N. Column I is regarding some operations done with coil M and column II about induced current in coil N. October [...]
A fine steel wire of length 4m is fixed rigidly in a heavy brass frame as shown in figure. It is just taut at 20 C. Find the the tensile stress developed in steel wire (in * 10^6 Nm^-2) if whole system is heated
24
Oct
A fine steel wire of length 4m is fixed rigidly in a heavy brass frame as shown in figure. It is just taut at 20 C. Find the the tensile stress developed in steel wire (in * 10^6 Nm^-2) if whole system is heated A cylindrical beer can made up of aluminium contains 500 cm^3 [...]