What is the smallest unit of free charge that has been observed experimentally p

Question

What is the smallest unit of free charge that has been observed experimentally plus minus1/3 e plus minus2/3 e plus minus l.602 times l0^-19 C plus minus 1.000 C plus minus 5.0 times l0^23 C What is true concerning the charge in the diagram to the right according to the electric field lines shown The charge must be negative. The charge must be positive Nothing can be determined about the charge from the field lines. A glass rod is rubbed with silk and becomes charged by friction. Which of the following is most correct The sign of the charge on the road can't be determined. The road will have a negative net charge The silk will have a positive net charge. The road will have a positive net charge. The statement that - "the sum of the magnitudes of the currents directed into a junction equals the sum of of the magnitude of the currents directed out of the junction" - associated with which individual A charged panicle Q is traveling horizontally toward a parallel plate capacitor with a uniform electric field E as shown in the diagram Upon exiting the capacitor the particle is traveling in the direction indicated by the arrow to the right of the capacitor Which of the following is correct The charge must be positive, The charge must be negative. Nothing can be determined concerning the sign of the charge None of the other answers is correct.

Explanation / Answer

1) C

2) B ( positive charge throw field lines )

3) D

4) C

5) A ( Electric field pushes the positive charge )

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