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QPage 196: Q2: HC Verma: Concepts of Physics - Volume 2 Electric Current in Conductors Page 196: Q2 Solution: A proton beam is moving from east to west. Is there an electric …
⚠️ Common Exam Traps & Conceptual Pitfalls
Students often incorrectly reverse the current direction for a proton beam by applying the electron flow rule; remember that conventional current direction is always the same as the motion of positive charges, so a proton beam moving east to west creates a current from east to west.
A proton beam is moving from east to west. Is there an electric current? If yes, in what direction?
Step-by-Step Verified Solution
**Answer:** Yes, there is an electric current. The direction of current is from west to east.
**Step-by-Step Explanation:**
A proton beam moving from east to west constitutes a flow of positive charge from east to west. By convention, the direction of electric current is the direction of flow of positive charge. However, the proton beam is moving from east to west, so the current is from east to west.
Wait�standard convention: current direction is opposite to electron flow, but for a proton beam (positive charges), current direction is the same as the direction of motion. Since protons move from east to west, the current is from **east to west**. The question asks "Is there an electric current? If yes, in what direction?" The answer is yes, and the direction is from east to west.
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