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Define Electric current
If an electric pressure or voltage is applied across any material there is a tendency for electrons to move in a certain direction. This movement of free electrons, called as drift, constitutes an electric current flow. Therefore current is the rate of movement of charge and is calculated in ampere.
Electric circuits or networks are formed by interconnecting various devices, sources, and components. Although the effects of each element (such as heating effects, electric-?eld e
Explain Mobility . Average drift velocity of electrons (e - ) in an applied field is proportional to the field, the absolute magnitude of the proportionality factor eq/m, termed
Q. Enumerate different types of errors in measurement. How can these errors be minimized. Sol. Types of errors: Errors may arise from different sources and
Q. A 10-kVA transformer is known to have an iron loss of 150 W and a full-load copper loss of 250 W. If the transformer has the following load cycle, compute its all-day efficiency
What is 16-bit ISA? Compare it with 8-bit ISA bus. The only difference among the 8 and 16-bit ISA bus is that other connector is attached behind the 8-bit connector. This 16-bi
Explain Open Loop Control Systems In an open-loop control system, the controller independently computes exact voltage or current required by the actuator to do the job and send
Q. The coil is placed so that its axis of revolution is perpendicular to a uniform field, as shown in Figure If the flux per pole is 0.02 Wb, and the coil, consisting of 2 turns, i
Q. A 20-kVA, 2200:220-V, 60-Hz, single-phase transformer has these parameters: Resistance of the 2200-V winding R1 = 2.50 Resistance of the 220-V winding R2 = 0.03 Lea
Question: (a) A typical RF filter is made up of sections using circuit components. One example of a section is the Inductor-Capacitor (L-C) section. State two other types of
hydroelectric power station
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