BEE Sem 2 24-25
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What is the type of cell used for laptop?
What is the duty cycle of a chopper ?
As compared to constant-current system, the constant-voltage system of charging a lead-acid cell has the advantage of
The Lead-Acid cells are_______
A DC-DC buck converter operating in CCM and with ideal switches at 50kHz, is designed to regulate an output voltage of 6V at 24 Watt, with the applied DC input varying from 12V to 36V, for the minimum inductive current ripple allowed to be 20 % of the output current, the minimum inductance required would be approximately
A battery is an arrangement of electrolytic cells
The ratio of Ah efficiency to Wh efficiency of a lead-acid cell is
A DC-DC boost converter operating in CCM and with ideal switches at 80kHz, is designed to regulate an output voltage of 400V at 400Watt, with the applied DC input at 270V, 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 inductance required would be approximately
The output voltage for a step-up chopper when it is operated at a duty cycle of 50 % and Vs = 240 V is ___________
Active materials of a lead-acid cell are
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