A long solenoid with closely spaced turns carries electric current. Each turn of wire exerts:
1.an attractive force on the next adjacent turn.
2.a repulsive force on the next adjacent turn.
3.zero force on the next adjacent turn.
4.either an attractive or a repulsive force on the next turn, depending on the direction of current in the solenoid.
1
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a. third quarter
b. first quarter
c. waxing gibbous
d. waning gibbous
A red shirt is red because it
A) reflects red light but absorbs other colors. B) transmits red light. C) emits red light only. D) absorbs red light but reflects other colors.
Instructions: On occasion, the notation 
will be a shorthand notation for 
.
If 
= [15, 80°] and 
, what is the magnitude of 
?
A. 15
B. 35
C. 32
D. 5.0
E. 23
True or false: it is possible to have the electric field be 0 at some point is space and the electric potential be non-zero at that same point
1.True 2.False