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A current of 10A flows around a closed path in a circuit which is in the horizontal plane as shown in figure. The circuit consists of eight alternating arcs of radii r1 = 0.08 m and r2 = 0.12 m. Each arc subtends the same
06
Sep
A current of 10A flows around a closed path in a circuit which is in the horizontal plane as shown in figure. The circuit consists of eight alternating arcs of radii r1 = 0.08 m and r2 = 0.12 m. Each arc subtends the same A current I flows radius along a lengthy thin-walled tube [...]
Two cars A and B are at rest at the origin O. If A starts with a uniform velocity of 20m/s and B starts in the same direction with a constant acceleration of 2m/s^2 , then the cars will meet after time
06
Sep
Two cars A and B are at rest at the origin O. If A starts with a uniform velocity of 20m/s and B starts in the same direction with a constant acceleration of 2m/s^2 , then the cars will meet after time then the cars will meet after time Two cars A and B are [...]
Speeds of two identical cars are u and 4u at a specific instant. The ratio of the respective distances in which the two cars are stopped at the same instant is
06
Sep
Speeds of two identical cars are u and 4u at a specific instant. The ratio of the respective distances in which the two cars are stopped at the same instant is Speeds of two identical cars are u and 4u at a specific instant. The ratio of the respective distances in which the two cars [...]
An equilateral triangular frame with side a carrying a current I is placed at a distance a from an infinitely long straight wire carrying a current I as shown in the figure. One side of the frame is parallel to the wire. The whole system lies in the xy-plane. Find the magnetic force F acting on the frame.
06
Sep
An equilateral triangular frame with side a carrying a current I is placed at a distance a from an infinitely long straight wire carrying a current I as shown in the figure. One side of the frame is parallel to the wire. The whole system lies in the xy-plane. Find the magnetic force F acting [...]
A body moving with a uniform acceleration crosses a distance of 15 m in the 3rd second and 23 m in the 5th second. The displacement in 10 s will be
06
Sep
A body moving with a uniform acceleration crosses a distance of 15 m in the 3rd second and 23 m in the 5th second. The displacement in 10 s will be A body moving with a uniform acceleration crosses a distance of 15 m in the 3rd second and 23 m in the 5th second. [...]
A body travels for 15 s starting from rest with a constant acceleration. If it travels distance x, y and z in the first 5 s, second 5 s and the next 5 s, respectively, the relation between x, y and z is
06
Sep
A body travels for 15 s starting from rest with a constant acceleration. If it travels distance x, y and z in the first 5 s, second 5 s and the next 5 s, respectively, the relation between x, y and z is A body travels for 15 s starting from rest with a constant [...]
A current I flows radius along a lengthy thin-walled tube of radius R with longitudanal slit of width h. Find the induction of the magnetic field inside the tube under the condition h<<R
06
Sep
A current I flows radius along a lengthy thin-walled tube of radius R with longitudanal slit of width h. Find the induction of the magnetic field inside the tube under the condition h<<R A current I flows radius along a lengthy thin-walled tube of radius R with longitudal slit of width h. Find the induction [...]
Calculate magnetic induction at point O if the wire carrying a current I has the shape as shown in figure. (The radius of the curved part of the wire is equal to R and linear parts of the wire are very long.)
06
Sep
Calculate magnetic induction at point O if the wire carrying a current I has the shape as shown in figure. (The radius of the curved part of the wire is equal to R and linear parts of the wire are very long.) A current I flows along a round loop. Find the integral ∫B.dr along [...]
A particle starts its motion from rest under the action of a constant force. If the distance covered in first 10 s is x and the covered in the first 20 s is y then.
06
Sep
A particle starts its motion from rest under the action of a constant force. If the distance covered in first 10 s is x and the covered in the first 20 s is y then. A particle starts its motion from rest under the action of a constant force. If the distance covered in first [...]
A body is moving with a uniform acceleration covers 40 m in the first 4 s and 120 m in next 4 s. Its initial velocity and acceleration are
06
Sep
A body is moving with a uniform acceleration covers 40 m in the first 4 s and 120 m in next 4 s. Its initial velocity and acceleration are A body is moving with a uniform acceleration covers 40 m in the first 4 s and 120 m in next 4 s. Its initial velocity [...]