In a step down chopper, if Vin = 100 V and the chopper is operated at a duty cycle of 75 %. The output voltage is ________ 

A DC-DC buck converter operating in CCM and with ideal switches at 80kHz, is designed to regulate an output voltage 24V at 48 Watt, with the applied DC input varying from 36V to 48V, for the minimum inductive current ripple allowed to be 20 % of the output current, the minimum inductance required would be approximately

During the charging of a lead-acid cell

A DC-DC buck converter operating in CCM and with ideal switches at 80kHZ, is designed to regulate an output voltage of 24V at 48 Watt, with the applied DC input varying from 36V to 48V, for the minimum inductive current ripple allowed to be 20% of the output current and the percentage output voltage ripple to be 2%, the minimum capacitance required would be approximately

The capacity of a lead-acid cell does NOT depend on its 

Buck-Boost acts as Boost converter for duty cycle is equal to _________ 

A DC-DC buck-boost converter operating in CCM and with ideal switches at 80kHz, is designed to regulate an output voltage = 50V at 500Watt, with the applied DC input varying from 35V to 100V, for the minimum inductive current ripple allowed to be 20% of the output current and the percentage output voltage ripple to be 2%, the percentage duty cycle range would be approximately

A transformer having 1000 primary turns is connected to a 250-V a.c. supply. For a secondary voltage of 400 V, the number of secondary turns should be

Two magnetically coupled coils having coefficient of coupling as 0.833, are connected in series with additive flux connection would give rise to net inductance of 20H. If these coils are connection series with differential flux connection produce the net inductance of 10H. The product of self-inductance of individual coil shall be 

In performing the short circuit test of a transformer