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When reverse bias is enhanced the electric field at the junction also enhances. At some stage the electric field becomes so high that it breaks the covalent bonds building electron, hole pairs. Therefore a big number of carriers are created. This causes a large current to flow. This mechanism is known as Zener breakdown.
A seat of EMF is in sequence with a resistor R1 and with a parallel combination of two other resistors R2 and R3. R2 is a changeable resistor whose resistance can be changed just b
Question: What sources electromagnetic radiation (a.k.a. light a.k.a. electromagnetic waves)? select the one BEST answer. Answer: Note the significant distinction betwe
How to drive it?
Examples of systems in equilibrium: a) a stone resting on the ground; b) a pencil balanced on your finger; c) a ladder placed against the wall, an aircraft flying at a co
calculating work
Advantages of D.C. transmission of power 1. It needs only two conductors as compared to three for a.c. transmission. 2. There is not an inductance, capacitance, phase displ
Barrier potential in a P-N junction is caused by (A) Thermally generated electrons and holes. (B) Diffusion of majority carriers across the junction. (C) Migration
Q What is temperature of inversion? Maintain the temperature of the cold junction constant the temperature of the hot junction is gradually increased. The thermo emf increase
There is strong evidence that some short-duration gamma-ray bursts occur in systems with no star formation and where no massive stars are present, such as elliptical galaxies and g
It is the energy possessed by a body because of the interactive forces inside the object. This may be defined as the work done in assembling all the particles of a body in a exact
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