A 2.7 cm diameter parallel plate capacitor has a 1.8 mm spacing. The electric fi

Question

A 2.7 cm diameter parallel plate capacitor has a 1.8 mm spacing. The electric field strength inside the capacitor is 1.1×105 V/m.

A 2.7-cm-diameter parallel-plate capacitor has a 1.8 mm spacing. The electric field strength inside the capacitor is 1.1*105 V/m Submit My Answers Give Up Correct Part B How much charge is on each plate? Express your answer to two significant figures and include the appropriate units. Q= 223-10-9 |C 223-10 C Submit Mv Answers Give Up Incorrect; Try Again; 3 attempts remaining

Explanation / Answer

We know that the capacitance is given by

C = epsilon A / d

C = 8.85 × 10-12 * 3.14 (2.7*2.7) 10-4/4 * 1.8 10-3   = 2.813 *10-12 F

Q = CV = 2.813 *10-12 * 200 = .562 nC

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