NCERT Solutions for Class 12th Physics Chapter 8 – Electromagnetic Waves
National Council of Educational Research and Training (NCERT) Book Solutions for class 12th
Subject: Physics
Chapter: Chapter 8 – Electromagnetic Waves
Engineering Entrance Exam / Admission Application Forms 2017
Class 12th Physics Chapter 8 Electromagnetic Waves NCERT Solution is given below.
Question 8.1:
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.
(c) Is Kirchhoff’s first rule (junction rule) valid at each plate of the capacitor? Explain.
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