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#### Question

Figure 8.6 shows a capacitor made of two circular plates each of radius 12 cm, and separated by 5.0 cm. The capacitor is being charged by an external source (not shown in the figure). The charging current is constant and equal to 0.15 A.

**(a) **Calculate the capacitance and the rate of charge of potential difference between the plates.

**(b) **Obtain the displacement current across the plates.

#### Solution

#### Similar questions VIEW ALL

A parallel plate capacitor (Fig. 8.7) made of circular plates each of radius *R *= 6.0 cm has a capacitance *C *= 100 pF. The capacitor is connected to a 230 V ac supply with a (angular) frequency of 300 rad s^{−1}.

**(a) **What is the rms value of the conduction current?

**(b)** Is the conduction current equal to the displacement current?

**(c) **Determine the amplitude of **B **at a point 3.0 cm from the axis between the plates.