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The plates of a parallel plate capacitor with no dielectric are connected to a voltage source. Now a dielectric of dielectric constant K is inserted to fill the whose space between the plates with voltage source remaining connected to the capacitor-
18
Sep
The plates of a parallel plate capacitor with no dielectric are connected to a voltage source. Now a dielectric of dielectric constant K is inserted to fill the whose space between the plates with voltage source remaining connected to the capacitor- Potential difference between centre and the surface of sphere of radius R having uniform [...]
Two metallic bodies separated by a distance 20 cm are given equal and opposite charged on magintude 0.88 μC.The component of electric field along the line AB,between the plates, varies as Ex=3×2+0.4N/C, where x (in meter) is the distance from one body towards the other body as shown
18
Sep
Two metallic bodies separated by a distance 20 cm are given equal and opposite charged on magintude 0.88 μC.The component of electric field along the line AB,between the plates, varies as Ex=3×2+0.4N/C, where x (in meter) is the distance from one body towards the other body as shown between the plates Two metallic bodies separated [...]
A and C are concentric conducting spherical shells of radius a and c respectively.A is sueeounded by a concentric dielectric medium of inner radius a, outer radius b and dielectric constant k. If sphere A is given a charge Q, the potential at the outer surface of the dielectric is
18
Sep
A and C are concentric conducting spherical shells of radius a and c respectively.A is sueeounded by a concentric dielectric medium of inner radius a, outer radius b and dielectric constant k. If sphere A is given a charge Q, the potential at the outer surface of the dielectric is A and C are concentric [...]
1. a. Mark the following statements as true or false. 1. A ball thrown vertically up takes more time to go up than to come down. 2. If a ball starts falling from the position of rest, then it travels a distance
18
Sep
1. a. Mark the following statements as true or false. 1. A ball thrown vertically up takes more time to go up than to come down. 2. If a ball starts falling from the position of rest, then it travels a distance 1. a. Mark the following statements as true or false. 1. A ball [...]
An athlete swims the length of 50 m pool in 20 s and makes the return trip to the starting position in 22 s. Determine his average velocity in a. The first half of the swim b. The second half of the swim
18
Sep
An athlete swims the length of 50 m pool in 20 s and makes the return trip to the starting position in 22 s. Determine his average velocity in a. The first half of the swim b. The second half of the swim A particle moving in a straight line covers half the distance with [...]
A train accelerates from rest for time t1 at a constant rate a and then it retards at the constant rate b for time t2 and comes to rest. Find the ration t1/t2.
18
Sep
A train accelerates from rest for time t1 at a constant rate a and then it retards at the constant rate b for time t2 and comes to rest. Find the ration t1/t2. A train accelerates from rest for time t1 at a constant rate a and then it retards at the constant rate b [...]
An uncharged parallel plate capacitor is connected to a battery. The electric field between the plates is 10V/m. Now a dielectric of dielectric constant 2 is inserted between the plates filling the entries space. The electric field between the plates now is
18
Sep
An uncharged parallel plate capacitor is connected to a battery. The electric field between the plates is 10V/m. Now a dielectric of dielectric constant 2 is inserted between the plates filling the entries space. The electric field between the plates now is Potential difference between centre and the surface of sphere of radius R having [...]
A car runs at a constant speed on a circular track of radius 200 m, taking 62.8 s each lap. Find the average velocity and average speed on each lap.
18
Sep
A car runs at a constant speed on a circular track of radius 200 m, taking 62.8 s each lap. Find the average velocity and average speed on each lap. A car runs at a constant speed on a circular track of radius 200 m taking 62.8 s each lap. Find the average velocity and [...]
A parallel plate capacitor (without dielectric) is charged by a battery and kept connected to the battery. A dielectric salb of dielectric constant ‘k’ is inserted between the plates fully occupying the space between the plates. The energy density of electric field between the plates will:
18
Sep
A parallel plate capacitor (without dielectric) is charged by a battery and kept connected to the battery. A dielectric salb of dielectric constant ‘k’ is inserted between the plates fully occupying the space between the plates. The energy density of electric field between the plates will: Potential difference between centre and the surface of sphere [...]
Two balls of different masses (one lighter and other heavier) are thrown vertically upwards with the same speed. Which one will pass through the point of projection in the downward direction
18
Sep
Two balls of different masses (one lighter and other heavier) are thrown vertically upwards with the same speed. Which one will pass through the point of projection in the downward direction Two balls of different masses (one lighter and other heavier) are thrown vertically upwards with the same speed. Which one will pass through the [...]