Question
Draw a clear and labelled diagram of an alternating current generator.
✓
Answer
Get the step-by-step solution for this question inside the Vidyadip app.
Get the answer in the appNeed 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
The shows a circular wire loop of radius a and carrying a current i, which is placed in a perpendicular magnetic field B.
- Consider a small part dl of the wire. Find the force on this part of the wire exerted by the magnetic field.
- Find the force of compression in the wire.
A molecule. of hydrogen contains two protons and two electrons. The nuclear force between these two protons is always neglected while discussing the behaviour of a hydrogen molecule. Why?
The balloon, the light rope and the monkey shown in figure are at rest in the air. If the monkey reaches the top of the rope, by what distance does the balloon descend ? Mass of the balloon = M, mass of the monkey = m and the length of the rope ascended by the monkey = L.
Write the expression for the force on a charge moving in a magnetic field.Use this expression to define the SI unit of magnetic field.
Find the,
→- maximum frequency, and
- minimum wavelength of $X-$ rays produced by $30 kV$ electrons.
- What is total internal reflection? Under what conditions does it occur?
- Find a relation between critical angle and refractive index.
- Name one phenomenon which is based on total internal reflection.
- For a given a.c.,$\text{i} = \text{i}_{m}\sin\omega\text{t},$ show that the average power dissipated in a resistor $R$ over a complete cycle is $\frac{1}{2}\text{i}_{m}^{2}\text{R}.$
- A light bulb is rated at $100 W$ for a $220 V a.c.$ supply. Calculate the resistance of the bulb.
The time taken by Mars to revolve round the sun is 1.88 years. Find the ratio of average distance between Mars and the sun to that between the earth and the sun.
In a $p-n$ junction, the depletion region is $400\ nm$ wide and an electric field of $5 \times 10^5\ V/m$ exists in it.
→- Find the height of the potential barrier.
- What should be the minimum kinetic energy of a conduction electron which can diffuse from the $n-$side to the $p-$side?
If the operating potential in an X-ray tube is increased by 1%, by what percentage does the cutoff wavelength decrease?