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Three vectors A, B, C satisfy the relation A * B = 0 and A * C = 0. The vector A is parallel to
17
Sep
Three vectors A, B, C satisfy the relation A * B = 0 and A * C = 0. The vector A is parallel to B C satisfy the relation A * B = 0 and A * C = 0. The vector A is parallel to Three vectors A September 17, 2020 Category: Uncategorised [...]
Consider two points 1 and 2 in a region outside a charged sphere. Two points are not very far away from the sphere. If E and V respresent the electric field vector and the electric potential. Which of the following is not possible ?
17
Sep
Consider two points 1 and 2 in a region outside a charged sphere. Two points are not very far away from the sphere. If E and V respresent the electric field vector and the electric potential. Which of the following is not possible ? The potential at the centre of the circle is September 17, [...]
Given A1 = 2 A2 = 3 and A1 + A2 = 3. Find the value of (A1 + 2A2) * (3A1 – 4A2).
17
Sep
Given A1 = 2 A2 = 3 and A1 + A2 = 3. Find the value of (A1 + 2A2) * (3A1 – 4A2). Given A1 = 2 A2 = 3 and A1 + A2 = 3. Find the value of (A1 + 2A2) * (3A1 - 4A2). September 17, 2020 Category: Uncategorised (JEE Advanced [...]
Electric potential is given by V = 6x -8xy^ – 8y + 6yz – 4z^2 Then electric force acting on 2C point charge placed on origin will be
17
Sep
Electric potential is given by V = 6x -8xy^ – 8y + 6yz – 4z^2 Then electric force acting on 2C point charge placed on origin will be Electric potential is given by V = 6x -8xy^ - 8y + 6yz - 4z^2 Then electric force acting on 2C point charge placed on origin will [...]
The electric potential V at any point O (x, y, z all in metres in space is given by V = 4x^2 volt. The electric field at the point ( 1 m, 0, 2 m ) in V/ m is
17
Sep
The electric potential V at any point O (x, y, z all in metres in space is given by V = 4x^2 volt. The electric field at the point ( 1 m, 0, 2 m ) in V/ m is 2 m ) in V/ m is The electric potential V at any point O [...]
Two wires of radii r and 2r respectively are welded together end to end. This combination is used as a sonometre wire kept under tension T. The welded point is midway between the two bridges. What would be the ratio of the number of loops formed in the wires such that the joint is a node when stationary vibrations are set up in the wires.
17
Sep
Two wires of radii r and 2r respectively are welded together end to end. This combination is used as a sonometre wire kept under tension T. The welded point is midway between the two bridges. What would be the ratio of the number of loops formed in the wires such that the joint is a [...]
A stone is hung in air from a wire which is stretched over a sonometre. The bridges of the sonometre are L cm apart when the wire is in unison with a tuning fork of frequency N. When the stone is completely immersed in water, the length between the bridges is ℓ cm for re-establishing unison, the specific gravity of the material of the stone is
17
Sep
A stone is hung in air from a wire which is stretched over a sonometre. The bridges of the sonometre are L cm apart when the wire is in unison with a tuning fork of frequency N. When the stone is completely immersed in water, the length between the bridges is ℓ cm for re-establishing [...]
A uniform surface charge of density σ is given to a quarter of a disc extending up to infinity in the first quadrant of x-y plane. The centre of the disc is at the origin O. Find the z-component of the electric field at the point ( 0 ,0 ,z ) and the potential difference between the points ( 0, 0, d ) & ( 0, 0, 2d).
17
Sep
A uniform surface charge of density σ is given to a quarter of a disc extending up to infinity in the first quadrant of x-y plane. The centre of the disc is at the origin O. Find the z-component of the electric field at the point ( 0 ,0 ,z ) and the potential difference [...]
If vectors A = i + 2j + 4k and B = 5i represents the two sides of a triangle, then the third side of the triangle can have length equal to
17
Sep
If vectors A = i + 2j + 4k and B = 5i represents the two sides of a triangle, then the third side of the triangle can have length equal to If vectors A = i + 2j + 4k and B = 5i represents the two sides of a triangle then the third [...]
A sonometre wire has a length of 114 cm between two fixed ends; Where should two bridges be placed so as to divide the wire into three segments whose fundamental frequencies are in the ratio 1:3:4?
17
Sep
A sonometre wire has a length of 114 cm between two fixed ends; Where should two bridges be placed so as to divide the wire into three segments whose fundamental frequencies are in the ratio 1:3:4? A sonometre wire has a length of 114 cm between two fixed ends; Where should two bridges be placed [...]