If you connect two identical bulbs to one battery in a series circuit instead of connecting the bulbs in parallel:
a. the first bulb will be brighter than the second one in the series circuit.
b. each bulb is brighter in series than in parallel.
c. each bulb is dimmer in series than in parallel.
d. the bulbs glow just as brightly in series as in parallel.
e. the battery lasts longer for the bulbs in parallel.
c
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A plane stress element on a bar in uniaxial stress has a tensile stress of ?? 5 78 MPa (see fig.). The maximum shear stress in the bar is approximately:
(A) 29 MPa
(B) 37 MPa
(C) 50 MPa
(D) 59 MPa
What capacitance will have the same reactance as a 100. mH inductance in a 120. V, 60. Hz circuit?
What will be an ideal response?
A 2000-kg sailboat experiences an eastward force of 3000 N by the ocean tide and a wind force against its sails of magnitude 6000 N directed toward the northwest (45° N of W). What is the magnitude and direction of the resultant acceleration?
When a light ray travels between any two points, the path it takes is the one that (Hint: Eliminate answers you know are wrong.)
a. covers the greatest distance. b. follows the greatest index of refraction. c. avoids travel in more than one medium. d. is the mean between the longest and the shortest paths. e. takes the least time.