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A parallel plate capacitor is connected across a battery of emf V as shown in figure. The plates of the capacitor have area A and separation between the plates is d. Now switch S is clossed to connect the capacitors with battery. Now the distance between the plates is slowely reduced to d/2. Cacluclate the work done by the external agent in the process.
01
Sep
A parallel plate capacitor is connected across a battery of emf V as shown in figure. The plates of the capacitor have area A and separation between the plates is d. Now switch S is clossed to connect the capacitors with battery. Now the distance between the plates is slowely reduced to d/2. Cacluclate the [...]
Find out the increase in moment of inertia i of a uniform rod (coefficient of linear expansion alpha) about its perpendicular bisector when its temperature is slightly increased by delta T.
01
Sep
Find out the increase in moment of inertia i of a uniform rod (coefficient of linear expansion alpha) about its perpendicular bisector when its temperature is slightly increased by delta T. Find out the increase in moment of inertia i of a uniform rod (coefficient of linear expansion alpha) about its perpendicular bisector when its [...]
1 kg ice at -20C is mixed with 1 kg steam at 200C. Then find equilibrium temperature and mixed content.
01
Sep
1 kg ice at -20C is mixed with 1 kg steam at 200C. Then find equilibrium temperature and mixed content. 1 kg ice at -20C is mixed with 1 kg steam at 200C. Then find equilibrium temperature and mixed content. September 1, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
Doubly-ionized helium ions are projected with a speed of 10 km s^-1 in a direction perpendicular to a uniform magnetic field of magnitude 1.0 T.
01
Sep
Doubly-ionized helium ions are projected with a speed of 10 km s^-1 in a direction perpendicular to a uniform magnetic field of magnitude 1.0 T. (b) the radius of the circle in which it ciruclates and ( c) the time taken by an ion to complete the circle. Doubly ionized helium ions are projected with [...]
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(b) the radius of the circle in which it ciruclates and ( c) the time taken by an ion to complete the circle. ,
Doubly ionized helium ions are projected with a speed of 10kms−1 in a direction perpendicular to a uniformmagnetic field of magnitude 1.0 T. Find (a) the force acting on an ion ,
Doubly-ionized helium ions are projected with a speed of 10 km s^-1 in a direction perpendicular to a uniform magnetic field of magnitude 1.0 T. ,
There are two spheres of radii R and 2R having charges Q and Q/2, respectively. These two spheres are connected with a cell of emf V volts as show in. When the switch is closed, find the final charge on each sphere.
01
Sep
There are two spheres of radii R and 2R having charges Q and Q/2, respectively. These two spheres are connected with a cell of emf V volts as show in. When the switch is closed, find the final charge on each sphere. find the final charge on each sphere. respectively. These two spheres are connected [...]
Determine the final result when 200g of water and 20 g of ice at 0C are in a calorimeter having a water equivalent of 30g and 50 g of steam is passed into it at 100C
01
Sep
Determine the final result when 200g of water and 20 g of ice at 0C are in a calorimeter having a water equivalent of 30g and 50 g of steam is passed into it at 100C Determine the final result when 200g of water and 20 g of ice at 0C are in a calorimeter [...]
A parallel plate capacitor has capacitance C. If the charges of the plates are Q and i. charges at the inner surfaces of the plates ii. Potential difference between the plates iii. charge flown if the plates are connected iv. energy lost by the capacitor in (iii.) v. charge flown if any plate is earthed.−3Q, find of the
01
Sep
A parallel plate capacitor has capacitance C. If the charges of the plates are Q and i. charges at the inner surfaces of the plates ii. Potential difference between the plates iii. charge flown if the plates are connected iv. energy lost by the capacitor in (iii.) v. charge flown if any plate is earthed.−3Q, [...]
A charged sphere of mass m and charge q starts sliding from rest on a vertical fixed circular track of radius R from the position as shown in figure.
01
Sep
A charged sphere of mass m and charge q starts sliding from rest on a vertical fixed circular track of radius R from the position as shown in figure. A charged sphere of mass m and charge q starts sliding from rest on a vertical fixed circular track of radius R from the position as [...]
A calorimeter contains 400 gm of water at temperature of 5C. Then, 200 gm of water at a temperature of +10C and 400 gm of ice at temp. of −60C are added.
01
Sep
A calorimeter contains 400 gm of water at temperature of 5C. Then, 200 gm of water at a temperature of +10C and 400 gm of ice at temp. of −60C are added. 200 gm of water at a temperature of +10C and 400 gm of ice at temp. of −60C are added. A calorimeter contains [...]
A capacitor of capacitance C, which is initially charged up to a potential differnce ε, is connected with a battery of emf ε/2 such that the positive terminal of the battery is connected with the positive plate of the capacitor. After a long time. i. find the total charge flow through the battery ii. find the total work done by the battery iii. Find the heat dissipated in the circuit during the process of charging.
01
Sep
A capacitor of capacitance C, which is initially charged up to a potential differnce ε, is connected with a battery of emf ε/2 such that the positive terminal of the battery is connected with the positive plate of the capacitor. After a long time. i. find the total charge flow through the battery ii. find [...]