For the network shown in Figure 1, calculate the following. Ensure you show all your working....

  

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For the network shown in Figure 1, calculate the following. Ensure you show all your working. (a) Total resistance as seen by the voltage source. (b) Total current taken from the voltage source. (c) Volt drop across the R3||R4 branch. (d) Simulate the circuit using one of the suggested simulators, and confirm the results correspond to your theoretical calculations. (e) Simplify the circuit to one that has B1 in series with R1 and another resistance Rx, such that the current taken from B1 is the same as that calculated in (b) above. Determine the value of Rx. 81 12V +++++ R1 2k R2 R3 20k R4 10k Figure 1 R5 6.8k R6 4.7k For the network shown in Figure 1, calculate the following. Ensure you show all your working. (a) Total resistance as seen by the voltage source. (b) Total current taken from the voltage source. (c) Volt drop across the R3||R4 branch. (d) Simulate the circuit using one of the suggested simulators, and confirm the results correspond to your theoretical calculations. (e) Simplify the circuit to one that has B1 in series with R1 and another resistance Rx, such that the current taken from B1 is the same as that calculated in (b) above. Determine the value of Rx. 81 12V +++++ R1 2k R2 R3 20k R4 10k Figure 1 R5 6.8k R6 4.7k