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How is that circuit wont be broken even there is an air gap in between the parallel plates?Ans) In AC circuit capacitor offers resistance to current as aresistor would do in DC. But for DC there exists a current in between the plates called displacement current (it exists everywhere in fact)Id = ε0x dΦe/dtModified amperes law = integral of B.dl = mu0 ( I + Id)there exists a magnetic field between the plates responsible for transfer of charges from one plate to another and hence I= 0but Id is not 0. At every Id = I
Two wires on a piano are the same length and are pulled by the same tension. wire 1 vibrates at a frequency 1.5 times the frequency of wire 2. Calculate the ratio of their masses (
Two parallel plates having a p.d. of 250V between them are spaced 1mm apart. Determine the electric field strength. Find also the electric flux density when the dielectric a
Two parallel wires P and Q situated at a separation of 6 cm carry electric currents i 1 =5 A and i2 = 2 A in opposite directions as given in fig-. Determine the point on the line
write a program about f=ma
Suppose that the x rays are emitted from a focal spot isotropically. The photon flux is 3.28 x 10 6 photons mm -2 sec -1 at a distance of 0.75 m from the focal spot. What is the
99 ml of H 2 O is initially at room temperature (20.0 o C). A chilled steel rod at 2.0 o C is placed in the water. If the final temperature of the system is 18.7 o C, what is th
a) Sketch the small-signal equivalent circuit for a field-effect transistor (FET) and explain how it can be deduced from the properties of the real device. b) Draw the circuit
Curie's law (P. Curie) The susceptibility, khi, of an isotropic paramagnetic substance is associated to its thermodynamic temperature T through the equation khi = C/T
When a physical property such as charge exists in discrete "packets" rather than in continuous amounts, the property is said to be: a) Discontinuous b) Abrupt c)
a car of mass 800kg is pulling a trailer 300kg where sin a=1|200.Resistance to motion(apart from gravity) is 1.5N per kg of mad for each vehicle.calculate the pulls of the engine a
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