स्थिर वैद्युत विभव तथा धारिता Class 12 | ONE SHOT VIDEO |Electric Potential and Capacitance in Hindi

Class 12 Physics Chapter 2 Electrostatic Potential & Capacitance Important Questions | Part 1

Class 12 Physics Chapter 2 Electrostatic Potential & Capacitance Important Questions | Quick Revision | Part 2

Class 12 Physics (Hindi)| Chapter 2 स्थिर वैद्युत विभव तथा धारिता | Important Questions | UP Boards

स्थिर विद्युत विभव तथा विभवांतर|वैद्युत द्विध्रुव के कारण विभव|OMR|Summary

Capacitor 3 in Fig. 25-40a is a variable capacitor (its capacitance C_3 can be varied) Figure 25-40b gives the electric potential V_1 across capacitor 1 versus C_3 The horizontal scale is set by C_3s=12.0 mu F Electric potential V_1 approaches as asymptote of 8.0 V as C_3 to infty What are (a) the electric potential V across the battery , (b) C_1 and (c) C_2 ?

(a) A parallel plate capacitor of plate area 2m^(2) and pltae separation 5xx8.85mm is cahrged to 200V in vacuum. Comute the capacitance, charge, charge density and electric field. (b) The charging is removed and space between the plates is filled with a dielectric (K=5) . computer new capacitance, the p.d ., electric field and induced charge at the surface of dielectric slab. (c) If now the dielectric sheet is removed and replaced by two sheets, one 2xx8.85mm thick of dielectric constant 4 , and the other 3xx8.85mm thick of dielectric constant 2 , compute electric field in each dielectric, the potential difference across the capacitor and its capacitance.

Figure 25-41 shows a circuit section of four air filled capacitors that is connected to a larger circuit. The graph below the section shows the electrin potential V(x) as a function of position x along the lower part of the section, through capacitor 4. Similarly the graph above the section shows the electric potential V(x) as a function of position x along the upper part of the section, through capacitors 1,2 and 3 capacitors 3 has a capacitance of 1.60 mu F What are the capacitances of (a) capacitor 1 and (b) capacitor 2?

A capacitor with capacitance 6 xx 10^(-5) F is charged by connecting it to a 12 -V battery. The capacitor is disconnected from the battery and connected across an inductor with L = 1.50 H . a. What are the angular frequency omega of the electrical oscillations and the period of these oscillations (the time for one oscillation)? b. What is the intial charge on the capacitor? c. How much energy is intially stored in the capacitor? d. What is the charge on the capacitor 0.0230 s after the connecting to the inductor is made? Interpret the sign of the your answer. e. At the times given in part (d), what is the current in the inductor? Interpret the sign of your answer. f. At the time given in part (d), how much electrical energy is stored in the capactior and how much is stored in the inductor?