Two long parallel wires carry currents of 10. A in opposite directions. They are separated by 40. cm. What is the magnetic field in the plane of the wires at a point that is 20. cm from one wire and 60. cm from the other?
What will be an ideal response?
6.67 × 10-6 T
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When a gas in a container is squeezed to half its volume, its density
A) halves. B) doubles. C) quadruples. D) remains the same.
Earth's outer core is
a. liquid. b. part solid and part liquid. c. solid. d. frozen.
A snowboarder coasts on a smooth track that rises from one level to another. If the snowboarder's initial speed is 4 m/s, the snowboarder just makes it to the upper level and comes to rest
With a slightly greater initial speed of 5 m/s, the snowboarder is still moving to the right on the upper level. What is the snowboarder's final speed in this case? A) 1 m/s B) 2 m/s C) 3 m/s D) 4 m/s E) 5 m/s
When a gas in a container is squeezed to half its volume at constant temperature, its density
A) halves. B) doubles. C) quadruples. D) remains the same.