In Figure Q2(b) Vs is an unregulated voltage that varies between 16 V and 18
V while the Zener diode voltage is VZ = 15 V. The load resistor RL can have a
value from 1000 ? to 8 (i.e., open circuit). Also you can take IZ (min) = 0 A.
(i) Find the maximum value of R1 so that the load voltage VL would be
still kept constant at 15 V for all values of RL and Vs.
(ii) Provide a symbolic expression for the maximum power dissipated by
the Zener diode.
(iii) Determine the minimum value of R1 so that the power dissipated by
the Zener diode does never exceeds 1 W for all values of RL and Vs
Within the urban space there has been a large growth of share economy businesses like Uber and Go Get. This has led to new opportunities for a range of stakeholders (developers, residents, customers etc.) and also new challenges for regulatory authorities (councils, environment planners and state government). In an urban environment, this new share economy presents new challenges and complexities. Identify the relevant stakeholders associated with share economy businesses operating in urban areas. Discuss how sustainable development in urban areas presents a wicked problem for share economy businesses
April 21, 2015
10:26 am
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