Two wires, each carrying current I, are antiparallel to each other. The two wires
A. repel each other.
B. attract each other.
C. are not affected by each other.
Two wires, each carrying current I, are antiparallel to each other. The two wires repel each other.
Physics & Space Science
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Light will pass through a pair of Polaroids when their axes are
A) 45 degrees to each other. B) parallel. C) either of these D) neither of these
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Which is the strongest fundamental force?
A) gravitational force. B) electric force. C) nuclear strong force. D) none of the above
Physics & Space Science
Why must both parallax and proper motion be known to give transverse velocity?
What will be an ideal response?
Physics & Space Science
The type of mirror that will allow you to see large areas normally hidden from your view is
a. concave. b. convex. c. plane. d. half-silvered. e. Polaroid.
Physics & Space Science