Solution: If the power gain of the amplifier is 5 × 10^6, the input resistance is


Solution: What is the power gain of a common emitter amplifier?

Solution: If an amplifier has a power gain of 100, then its dB gain is

Solution: Calculate the value of the voltage regulation

Solution: Compute the efficiency of the rectifier in percentage

Solution: Calculate the resistance of the secondary winding

Solution: Determine the eddy current loss

Solution: Calculate the all-day efficiency if loaded as follows

Solution: Find the all-day efficiency of a transformer having maximum efficiency of 98%

Solution: Calculate the full load efficiency at unity power factor