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Electric Charge

When adhesive tape is pulled from a dispenser, the detached tape acquires a positive charge and the remaining tape in the dispenser acquires a negative charge. If the tape pulled from the dispenser has 0.14 micro C of charge per centimeter, what length of the tape must be pulled to transfer 1.8 x 10^13 electrons to the remaing tape?

Solution Preview

This problem can be solved with simple units analysis.

Your desired answer is in cm.
You are given a value of charge/cm and a value of electrons.
All ...

Solution Summary

The solution uses unit analysis to find amount of item necessary to accumulate certain number of electrons, given amount of charge per unit amount of item.