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Q. A transformer is rated 10 kVA, 220:110 V (rms). Consider it an ideal transformer. (a) Compute the turns ratio and the winding current ratings. (b) If a 2-load resistance
D Flip Flop As we have seen in the SR flip flop when the inputs S= R are applied the forbidden or indeterminate state occurs. This state can destabilize the SR file flop.
Explain Extrinsic Semiconductor. Extrinsic Semiconductor: An intrinsic semiconductor is able to conduct some current even at room temperature but as this is not helpful for t
Most ac generators used in Power Stations are of the " Flux Cutting " types. Their effiencies range from less than 33% to slightly more than 60%. In their efficiency equations, the
Q. (a) Let a unit impulse of voltage v(t) = δ(t) be applied to a series combination of R = 20 and L = 10 mH. Determine the current i(t)in the series circuit. (b) Repeat (a) for
a) A 230 V/25V, 50 HZ transformer with a rated primary current of 1,2 Amps is used to supply a number of 25 V, 30 Watt halogen light bulbs. Assuming an ideal transformer and that
Q. Show Noise and Stability of operational amplifier? Noise This refers to the small, rapidly varying, random spurious signals generated by all electronic circuits. Noise
Effect of Frequency a.From equation for given H p and μ P v α √f b.From equation the depth of penetration for a given material δ α 1/ √f c.From equation hyst
A 4000-V, 5000-hp, 60-Hz, 12-pole synchronous motor, with a synchronous reactance of 4 per phase (based on cylindrical-rotor theory), is excited to produce unity power factor at
Usage: Because of the above inherent drawbacks, fixed bias is seldom used in linear circuits (that is those circuits which use the transistor like a current source). Instead,
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