1. A sphere is charged with electrons to 5.3x10^-6 C. The charge of an electron
ID: 1884354 • Letter: 1
Question
1. A sphere is charged with electrons to 5.3x10^-6 C. The charge of an electron is 1.6x10^-19 C. How many electrons are there on the sphere?2. Two identical positive charges exert a repulsive force of 13.8 N when separated by a distance 18.8 m. Calculate the charge of each.
3. Consider a series circuit consisting of a battery and two resistors. If the potential difference across the battery is 121.9 V and the potential difference across one of the resistors is 32.3V, what is the potential difference across the remaining resistor? 1. A sphere is charged with electrons to 5.3x10^-6 C. The charge of an electron is 1.6x10^-19 C. How many electrons are there on the sphere?
2. Two identical positive charges exert a repulsive force of 13.8 N when separated by a distance 18.8 m. Calculate the charge of each.
3. Consider a series circuit consisting of a battery and two resistors. If the potential difference across the battery is 121.9 V and the potential difference across one of the resistors is 32.3V, what is the potential difference across the remaining resistor?
2. Two identical positive charges exert a repulsive force of 13.8 N when separated by a distance 18.8 m. Calculate the charge of each.
3. Consider a series circuit consisting of a battery and two resistors. If the potential difference across the battery is 121.9 V and the potential difference across one of the resistors is 32.3V, what is the potential difference across the remaining resistor?
Explanation / Answer
1)
Given,
Charge, Q = 5.3 x 10^-6 C
As we know, Q = n e
Number of electrons, n = Q/e = (5.3 x 10^-6)/(1.6 x 10^-19)
n = 3.31 x 10^13 electrons
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