2. A load of 8Ω is supplied by a single-switch Direct Current (DC) chopper with an input voltage of 40V. The switching frequency is 800Hz, the duty ratio is 0.4, and the transmission voltage drop of the transistor is 2.4V a. Draw the chopper circuit presented in the question b. Find the switching period with the duty time of BJT c. Draw the load voltage, load current, BJT current, BJT voltage along two periods d. Find the output voltage. Is the achieved load voltage the average value or the effective value e. Find the output power f. Find the average value and effective value of BJT current g. Find the power loss of BJT h. Find the DC source current i. Find the circuit efficiency