Calculate the value of capacity in picofarad, which will make 101.4 micro henry inductance to oscillate with frequency of one megahertz.

A diode detector is used to detect an amplitude modulated wave of 60% modulation by using a condense of capacity 250 picofarad in parallel with a load resistance 100 kilo ohm find the maximum modulated which could be find the maximum modulated frequency which could be detected by it

The value of mutual inductance of two coils is B 10 mH. If the current in one of the coil changes from 5A to 1A in 0.2 s, calculate the value of emf induced in the other coil. Also calculate the value of induced charge passing through thecoil if its resistance is 5 ohm.

A bar magnet is vibrating in a uniform magnetic induction, the magnitude of which can be changed. If the frequency is found to reduce to half of its original frequency when the magnetic induction changes to 1.25xx10^(-5) frac(wb)(m2) . Calculate the original magnetic induction.

A bar magnet is vibrating in a uniform magnetic induction, the magnitude of which can be changed, its frequency is found to reduce to quarter of the original frequency, when the magnetic induction changes to 1.25 xx10^(-5) frac(wb)(m^2) . Calculate the original magnetic induction.

A 100 mu F capacitor is charged with a 60 V source supply.Then source supply is removed and the capacitor is connected across an inductance,as a result of which 6 A current flows through the inductance.Calculate the value of the inductance.

An A.C. voltage of r.m.s. value 1 V is applied to a parallel combination of inductor L = 10 mH, and capacitor 4 muF . Calculate the resonant frequency and current through each branch and resonance.

A merry-go-round usually consists of a central vertical pillar. At the top of it there are horizontal rods which can rotate about vertical axis. At the end of this horizontal rod there is a vertical rod fitted like an elbow joint . At lower end of each vertical rod, There is a horse on which the rider can sit. As the merry-go-round is set into rotation, these vertical rods move away from the axis by making some angle with the vertical. The figure above shows vertical section of a merry go round in which the 'initially vertical ' rods are inclined with the vertical at 37^@ ,during rotation. Calculate the frequency of revolution of merry go round. (Use g=pi^2ms^-2 and sin37^@=0.6)