Use common sense precautions when working with electrical circuits Define an equ

Question

Use common sense precautions when working with electrical circuits Define an equipotential line. What is the work done in moving a charge along an equipotential line? What is the unit of force in the MKS system of units? What is the unit of charge in the MKS system of units? What is the unit of E, the electric field, in the MKS system of units? What is the electric field across two parallel conducting plates that that are separated by a distance of 20 cm and charged to a voltage of 24 volts? Define an electron volt. 1,000,000 ev = volts 1,000,000 ev = J 9.6 J = ev Equipotential lines are perpendicular to lines of force. True or False

Explanation / Answer

1) Equipotential lines are drawn perpendicular to each electric field line and connect the electric field lines at points where their field strengths or potential difference are equal.

2) Zero

3) Newton (N)

4) Coloumb (C)

5) N/C

6) d = 20 cm , V = 24 V

E = V/d = 24/0.2 = 120 N/C

7) Electron volt is a unit of energy, equal to the energy acquired by an electron accelerating through a potential difference of one volt and equivalent to 1.602 × 10 19 joules.

8) 10^6 volts = 1 mega volt

9) 1.6*10^-19*10^6 = 1.6*10^-13 J

10) 9.6 eV = 6*10^19 J

11) True

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