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Q. What is action of points (corona discharge)? What is its use?
The seep out of electric charges from the sharp points on the charged conductor is known as action of points or corona discharge. This principle is utilized in the electrostatic machines for collecting charges and in lightning arresters (conductors).
De?ne Pilling-Bed Worth rule. Write about the applications of carbon nanotubes and nanowires.
You''ve recently wired up an experiment in the lab. Part of the experiment involves having two long wires extended 2 meters below the ground. One day, the experiment stops working.
(i) A number system which has only two characters i.e. 0 (Low value) and 1 (High value) is known as binary system (ii) The electrical circuit which operates only in these two di
in which case there is change in acceleration in case of pulley?
For the circuit shown in Figure, find, using the superposition theorem, (a) The current flowing in and the p.d. across the resistor, (b) The current in the 8V battery and
What type of waves are electromagnetic waves? Feedback: Electromagnetic waves are transverse waves that the oscillations of the electric and magnetic fields are at right
The current is an RL circuit drops from 1.1 A to 13 mA in the first second following removal of the battery from the circuit. If L is 12H, find the resistance R in the circuit.
what is anti reflection coating ?
Hence refractive index µ can be determine by measuring the diameter of Newton's rings first with air and then with the liquid for same value of m.
alkaline battery
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