Points A [at (2, 3) m] and B [at (5, 7) m] are in a region where the electric field is uniform and given by N/C. What is the potential difference VA - VB?
a. 33 V
b. 27 V
c. 30 V
d. 24 V
e. 11 V
D
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A: Yes. B: No.
Suppose we put 20 non-interacting quantons into a one-dimensional box of length L. The quantons quickly settle into the lowest possible energy states available. Roughly how many times larger will the quantons’ total energy be if they are fermions as opposed to bosons?
A. About the same B. About 4 times C. About 10 times D. About 40 times E. About 400 times
If the sum of the external forces exerted on an object is zero, then the sum of the external torques exerted on it must also be zero
A) True B) False
A circuit consists of N resistors, all of resistance R, connected as shown below. A potential difference V is applied to the circuit. The equivalent resistance of the circuit is
A.
.B.
C.
.D.
E.