संधारित्र तथा धारिता Capacitor and Capacitance || स्थिर विद्युत विभव तथा धारिता L-4 || 12th Physics

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

Class 12 Physics (Hindi)| Chapter 1 वैद्युत आवेश तथा क्षेत्र | Important Questions | UP Boards

चालक की धारिता तथा संधारित्र की धारिता|परावैद्युत माध्यम का परावैद्युतांक (k)या (EH) |संधारित्र की ऊर्जा|आवेशों का पुनर्वितरण|Summary

An oscillating circuit consists of a capacitor of capacitance C and a solenoid with inductance L_(1) . The solenoid is inductively connected with a short - circuited coil having an inductance L_(2) and a negligible active resistance. Their mutual inductance coefficient is eqaul to L_(12) . Find the natural frequency of the given oscillating ciruit.

An oscillating circuit consists of a capacitor with capacitance C=1.2 nF and a coil with inductance L=6.0 mu H and active resistance R=0.50 Omega . What mean power should be fed to the circuit to maintain undamped harmonic oscillations with volage amplitude acroos the capacitor being equal to V_(m) =10 V ?

A capacitor of capacitor of capacitance 2.0muF is charge to a potential diffrence of 12V It is then connected of uncharged capacitor of capacitance 4.0muF as shown in figure . Find (a ) the charge on each of the two capacitors after the connection, (b ) the electrostatic energy stored in each of the two capacitors and (c ) the best produced during the charge transfer from one capacitor to the other .

The plate area of a parallel-plate capacitors is 10cm^(2) and its capacitance is 2pF . The separation between the plates of the capacitors is close to (in mm). (permittivity of vacuum, epsi_(0)=(80)/(9)xx10^(-12)m^(-3)kg^(-1)s^(4)A^(2),1pF=10^(-12)F )

An oscillating circuit consist of a capacitor with capacitance C=4.0 mu F and a coil with inductance L=2.0 mu H and active resistance R=10 Omega . Find the ration of the energy of the coil's magnetic field to that of the capacitor's electric field at the moment when the current has the maximum value .

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?