Kirchhoff's Rules: For the circuit shown in the figure, calculate the emf's ?1 and ?3, assuming that the batteries are ideal. Note that two currents are shown.
Fill in the blank(s) with the appropriate word(s).
?1 = 28 V, ?3 = 44 V
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Two wires, each having a weight per unit length of 1.0 × 10?4 N/m, are strung parallel, one 0.10 m above the other. If the wires carry the same current, though in opposite directions, how great must the current in each wire be for the magnetic field of the lower conductor to balance the weight of the upper conductor?
What will be an ideal response?
The diagram below illustrates the layout and light path of a reflecting telescope of the ____________________ design
Fill in the blank(s) with correct word
Earth's axis is tilted at an angle of _______________ degrees
Fill in the blank(s) with correct word
Convert 1.2 × 10-3 to decimal notation
A) 1.200 B) 0.1200 C) 0.0120 D) 0.0012 E) 0.00012