Question
Establish a relationship between electric current and drift velocity. Draw the direction of electron flowing in a circuit by drawing an electric circuit.
✓
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
From the erelation $R=R_0 A^{1 / 3}$, where $R_o$ is a constant and $A$ is the mass number of nucleus, show that the nuclear matter density is nearly constant (i.e. independent of A ).
→A small telescope has an objective lens of focal length 144 cm and an eyepiece of focal length 6.0 cm. What is the magnifying power of the telescope? What is the separation between the objective and the eyepiece?
What is obtained by fusion of two deuterons?
What is an electric cell? Describe its construction. How many types of electric cells are there? By defining electromotive force of a cell, establish an expression for internal resistance of cell in any circuit and state factors on which internal resistance depends.
An alpha particle enters a magnetic field of 0.2 weber $/ m ^2$ with a speed of $6.0 \times 10^5 m / s$ perpendicular to the field. Find out the acceleration of the particle and radius of the path.
→Write two important considerations used while fabricating a Zener diode. Explain, with the help of a circuit diagram, the principle and working of a Zener diode as voltage regulator.
With the help of a circuit diagram, explain how two p-n junction diodes along with a centre tapped transformer can be used as a full wave rectifier.
When a photon is emitted by a hydrogen atom, the photon carries a momentum with it. (a) Calculate the momentum carries by the photon when a hydrogen atom emits light of wavelength 656.3nm. (b) With what speed does the atom recoil during this transition? Take the mass of the hydrogen atom = 1.67 × 10-27kg. (c) Find the kinetic energy of recoil of the atom.
