Answer to Question #224554 in Mechanical Engineering for Molahlegi

Question

Refer to Fig 3 when answering question 3. In the circuit , , and . The switch was at position a for a very long time and is switched to position b at t=0. c b a - + V0 Ra Rb () c v t () ci t Fig 3. (i) Find the capacitor voltage, as a function of time after the switch closes to position b at using the analytical approach (5). (ii) What will be the value of current at the instance of the switch change? (5) (iii) At what point in time will the potential difference across the capacitor be 15% of the original value? (5) (iv) Build the circuit of Fig 3 in PSpice or Multism. Simulate and measure the power and energy dissipated in the circuit between t=0s and t=15ms (10

Answer 1

If this was the diagram,

then,