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Q Define: self inductance.
The coefficient of self induction of a coil is numerically equivalent to the opposing emf induced in the coil when the rate of change of current through the coil is unity. The unit of a self inductance is henry (H).
The conductivity of an extrinsic semiconductor (A) Decreases with temperature. (B) Increases with temperature. (C) Remains constant with temperature. (D) Decrea
Introduction of physics- Physics Essentials Why do most people believe physics is too hard? Most people get hung up by the feeling that they do not 100% totally understand what
Q. What is Coulomb? One Coulomb is describe as the quantity of charge which when placed at a distance of 1 metre in air or vacuum from an equal and similar charge experiences a
A dragster begins from rest and accelerates for 4.0 s at a rate of 5.0 m/s2. It then travels at a constant speed for 2.5 s. A parachute opens, stopping the vehicle at a constant ra
#what are the condition necessary for heat transfer to occur?
Making a simple refracting telescope To make a simple telescope, two cardboard tubes will be needed, one fitting inside the other. It is not possible to make a satisfactory t
What is a fiber optic system? This term comprises all the essential elements to install a working unit.
A scooterist is racing at a speed of 72 km per hour. If the radius of the wheel is 20 cm, find the angular speed of the wheels. Ans) 72kmph=20m/s 20cm=0.2m; v=rw w=v/r w=20/0
explain?
Kirchoff's Voltage Law determines that the algebraic sum of the products of currents and resistances in every of the conductors in any closed path in a network plus the algebraic
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