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It is needed to use a half-wave rectifier for a dc power supply that gives an average dc output voltage of 15 V and a maximum ±1V ripple is permitted. The rectifier feeds a load of 150 ohms and is fed from a line voltage of 120 Vrms 60Hz by a transformer. The diodes have a voltage drop of 0.7V while conducting.
a) Find the rms voltage that appears across the transformer's secondary coil
b) The needed value of the filter capacitor
c) The PIV that shows across the diodes
d) Average current by the diode while conducting
e) Measure the peak diode current
There are total 12 interrupts in 8085.
Explain Hysteresis loop. Hysteresis loop: In a ferromagnetic material, the flux density B raises while external applied magnetic field H to it is raised. When the saturation
purpose of sheilding
Abalanced three-phase, 60-Hz voltage is applied to a three-phase, two-pole induction motor. Corresponding to a per-unit slip of 0.05, determine the following: (a) The speed of t
Q. In an AM transmitter that transmits a total power of 1 kW, the unmodulated carrier power is 850 W. Compute the required value of (S i /N i )AM at a receiver, if (S 0 /N 0 )AM
Norton's theorem procedure: 1. Remove R L from the circuit. Search I N by shorting links output terminal. 2. Search R N by short-circuit voltage source or open-circuit
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Q. Amicrowave relay systemuses two identical horn antennas mounted on towers spaced 40 km apart. If f c = 6 GHz, and each relay hop has L = 60 dB, calculate the antenna aperture a
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Ask question #Minimum mechanism of microwave communication 100 words accepted#
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