Question
Exlplain ac voltage applied on a series LCR circuit. Explain its solution by phasor diagram.
✓
Answer
SELF
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
An electron of kinetic energy 100eV circulates in a path of radius 10cm in a magnetic field. Find the magnetic field and the number of revolutions per second made by the electron.
A block slides down an inclined surface of inclination 30° with the horizontal. Starting from rest it covers 8m in the first two seconds. Find the coefficient of kinetic friction between the two.
Discuss the diffraction of monochromatic light at single thin slit. Establish the formula for angular width of central maxima and secondary maxima.
A solid aluminium sphere and a solid copper sphere of twice the radius are heated to the same temperature and are allowed to cool under identical surrounding temperatures. Assume that the emissivity of both the spheres is the same. Find the ratio of:
- The rate of heat loss from the aluminium sphere to the rate of heat loss from the copper sphere.
- The rate of fall of temperature of the aluminium sphere to the rate of fall of temperature of the copper sphere. The specific heat capacity of aluminium = 900Jkg-1°C-1 and that of copper= 390Jkg-1°C-1. The density of copper = 3.4 times the density of aluminium.
Obtain expression for root mean square value of alternating emf. Draw graph between $E$ and t and $E ^2$ and $t$ and prove that average rate of heat produced for alternating current in one complete cycle is $H = I _{\text {max }}^2 R$.
→- Derive an expression for the force between two long parallel current carrying conductors.
- Use this expression to define S.I. unit of current.
- A long straight wire AB carries a current I. A proton P travels with a speed v, parallel to the wire, at a distance d from it in a direction opposite to the current as shown in the figure. What is the force experienced by the proton and what is its direction?
The initial pressure and volume of a given mass of a gas $\Big(\frac{\text{C}_\text{P}}{\text{C}_\text{V}}=\gamma\Big)$ are P0 and V0. The gas can exchange heat with the surrounding.
→- It is slowly compressed to a volume $\frac{\text{V}_0}{2}$ and then suddenly compressed to $\frac{\text{V}_0}{4}.$ Find the final pressure.
- If the gas is suddenly compressed from the volume V0 to $\frac{\text{V}_0}{2}$ and then slowly compressed to $\frac{\text{V}_0}{4},$ what will be the final pressure?
In a Young's double slit interference experiment the fringe pattern is observed on a screen placed at a distance D from the slits. The slits are separated by a distance d and are illuminated by monochromatic light of wavelength $\lambda$. Find the distance from the central point where the intensity falls to,
→- Half the maximum.
- One fourth of the maximum.
A long wire carries a current of 4.00A. Find the energy stored in the magnetic field inside a volume ot 1.00mm at a distance of 10.0cm from the wire.
Explain the shortcomings of Rutherford's Atomic Model.###Write two shortcomings of Rutherford's Atomic Model.