Multiple Choice
A proton (+1.6 × 10−19 C) moves 20 cm on a path in the direction of a uniform electric field of strength 2.4 N/C.How much work is done on the proton by the electrical field?
A) 7.7E-20 J
B) −7.7E-20 J
C) 1.8E-19 J
D) −8.6E-20 J
E) zero
Correct Answer:
Verified
Correct Answer:
Verified
Q48: Three capacitors have capacitances C<sub>1</sub> < C<sub>2</sub>
Q49: If two parallel,conducting plates have equal positive
Q50: An ion is released from rest and
Q51: Equipotential surfaces around a point charge are<br>A)spherical.<br>B)cylindrical.<br>C)planar.<br>D)none
Q52: At what distance from a point charge
Q54: In which case does an electric field
Q55: How much charge can be placed on
Q56: A parallel-plate capacitor with plate area A
Q57: What is the equivalent capacitance between points
Q58: A pair of parallel plates,forming a capacitor,are