*Question*
A current of 0.5A flowing for 3hrs deposits 2g of a metal during electrolysis. The quantity of the same metal that would be deposited by a current of 1.5 A flowing for 1hr is
A. 10g
B. 18g
C. 2g
D. 6g

(UME 2002)

If a spring has a k value of 100 newtons per meter and it is stretched 0.50 meters, what is the restoring force of the spring?

Electromagnetic induction. a coil of wire contains n turns and has an electrical resistance r. the radius of each turn is a. initially, inside the coil there exists a uniform magnetic field of magnitude b0 parallel to the axis of the coil. the magnetic field is then reduced slowly. the current induced in the coil is i. how long does it take for the magnitude of the uniform field to drop to zero?

Increasing the pressure on one spot of a fluid will increase the pressure everywhere else in the fluid a. pascals principal b. archimedes' principal c. bernoulli's principal