Question

A parallel-plate capacitor with plate area 20 cm2 and plate separation 1.0 mm is connected to a battery. The resistance of the circuit is 10 kΩ. Find the time constant of the circuit.

Answer 1

Answer:

I don't know the answer

Explanation:

i think 2

Answer 2

The circuit’s time constant is 0.18 μs.

Explanation:

Plates’ area, A = 20 cm2 = 20 $\times$ 10−4 m2

Between the plates, the separation is d = 1 mm = 1 $\times$ 10−3 m,

Circuit’s resistance, R = 10 kΩ

A parallel-plate capacitor’s capacitance,

C = ∈0 Ad = $8.85 \times 10-12 \times 20 \times 10 – 41 \times 10-3 =17.7 \times 10-12 F$

Time constant is measured as CR

= $17.7 \times 10-12 \times 10 \times 103$

= 0.18 μs