Chapter 26, Problem 54A

To determine

To Find:The deflection plate which is positively charge.

Answer to Problem 54A

Theupper plate is positively charge.

Explanation of Solution

In the figure the upper charged plate is positively charge because electrons are negatively charge so in the figure the electrons beam is deflected towered the upper charged plate.

Therefore, the upper charge plate is positively charge.

Conclusion:

Hence, the upper plate is positively charge.