Refer to the identical lamps above. If the current in lamp 1 is one ampere, then the current in lamp 2 is
1) 1/2 ampere,
2) 1/3 ampere,
3) 1 ampere,
4) 2 amperes,
and the total current in the lamps and in the dry cell is
5) 0.
6) 1/2 ampere.
8) 1/3 ampere.
9) 1 ampere.
10) 3 amperes.
Answer: 3, 9
You might also like to view...
A photovoltaic cell receives energy input by
A) conduction. B) convection. C) radiation. D) all of the above
A rectangular beam with semicircular notches has dimensions h 5 160 mm and h1 5 140 mm. The maximum allowable bending stress in the plastic beam is ?max 5 6.5 MPa, and the bending moment is M 5 185 N?m. The minimum permissible width of the beam is:
(A) 12 mm
(B) 20 mm
(C) 28 mm
(D) 32 mm
On this graph, the time corresponding to the point at the far lower right of the diagonal line represents
A) the age of the universe today, in seconds. B) age of the universe at the time the cosmic microwave background was released. C) the Planck time. D) the amount of time required for nucleosynthesis in the early universe.
A magnifying glass has a convex lens of focal length 15 cm. At what distance from a postage stamp should you hold this lens to get a magnification of +2.0?