Questions
As per this diagram a point charge y + q is placed at the origin O. Work A done in taking another point charge - Q from the point A (0, a) to another point B (a, 0) along the straight path AB is :
a
-qQ4πε02a
b
Zero
c
qQ4πε01a212
d
qQ4πε01a22a
detailed solution
Correct option is B
W=q∆V=qVB-VA=0Talk to our academic expert!
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Kinetic energy of an electron accelerated through a potential difference of 100 V is
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