A 1.56-V battery has an internal resistance of 0.120
What is the maximum current that can be drawn from this battery?
A. infinite (or at least 1000's of amps)
B. 1.56 A
C. 0.190 A
D. 13.0 A
E. 7.50 A
D. 13.0 A
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The diffusion constant for water in air is
What is the distance a water molecule can travel by diffusion in 10min?
A. 17 cm B. 20 cm C. 25 cm D. 31 cm E. 36 cm
A cyclist races around a circular track at the constant speed of 20 m/s. The radius of the track is 40 m. The centripetal acceleration of the cyclist is
A. 10 m/s2, downward. B. 10 m/s2, toward the center of the track. C. zero. D. 20 m/s2, in the direction of travel.
An uncharged spherical conducting shell surrounds a charge ?q at the center of the shell. Then charge +3q is placed on the outside of the shell. When static equilibrium is reached, the charges on the inner and outer surfaces of the shell are, respectively,
A. +q, ?q. B. ?q, +q. C. +q, +2q. D. +2q, +q. E. +3q, 0.
Organic chemistry studies chemical compounds that contain at least one atom of
a. nitrogen. b. oxygen. c. carbon. d. hydrogen. e. silicon.