A coil of wire is connected to a galvanometer. When a bar magnet is moved in and out of the coil, the galvanometer records a current because of electromagnetic induction
a. True
b. False
Indicate whether the statement is true or false
True
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Two particles have charges Q and -Q (equal magnitude and opposite sign). For a net force of zero to be exerted on a third charge it must be placed:
A) midway between Q and -Q B) on the perpendicular bisector of the line joining Q and -Q, but not on that line itself C) on the line joining Q and -Q, to the side of Q opposite -Q D) on the line joining Q and -Q, to the side of -Q opposite Q E) at none of these places (there is no place)
The San Andreas fault lies on the boundary of the Pacific plate and the ______________ plate
Fill in the blank(s) with correct word
Which of the following diagrams shows the greatest magnitude net torque with a zero net force? All the rods, of length 2r, rotate about an axis that is perpendicular to the rod and fixed in the center of the rod. All the forces are of magnitude F or 2F and all distances from the axis are r or r/2
a.
b.
What is the capacitive reactance of an 8.00 ?F V capacitor attached to 120 V rms at 60.0 Hz?
A. 166
B. 332
C. 663
D. 480
E. 960