1)The electric potential along the x-axis is V=100e−2xV, where x is in meters. What is Ex...

Question

Question

1)The electric potential along the x-axis is V=100e−2xV, where x is in meters.

What is E_x at x=1.8m?

Express your answer to two significant figures and include the appropriate units.

E_x =

2) A 3.00-cm-diameter parallel-plate capacitor with a spacing of 0.900 mm is charged to 500 V .

What is the energy density?

Express your answer with the appropriate units.

science physics

Answer 1

Answer #1

The expression for electric field is, dV dx d(100e2* cbc =-200e-2x Eatx= 1.8ms, E-200e-20.8) -5.47 V/m The energy density is,

Answer 2

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