Q. Energy of electrons can be increased by allowing them
A) To fall through electric potential
B) To move in high magnetic field
C) To fall from great heights
D) To pass through lead blocks
Explanation
(a) Kinetic energy $\propto$ Potential difference
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.