Figure 1(a) shows a combination of series and parallel circuit while Table 1 lists the colour code of 4-band resistor. The voltage source, vs is indicated in Figure 1(b). (a) Find the nominal value of resistor Rand the range of its actual resistance. (2 marks) (b) Using the nominal value of RL, compute the effective voltage across Rt. (6 marks) (c) Using the nominal value of Ru, calculate the average power dissipated in RL. (2 marks) 350 22 _ 150 _ blue black brown gold 500 22 RL Vs 2 k_ _ 500 S2 5002 (a) V (V) 4 2 _____ t(s) 3 4 -2 (b) Figure Q1 Resistance value Colour Black Brown Red Orange Table 1 Digit 0 1 2 3 4 5 6 7 8 9 +5% +10% Yellow Green Blue Violet Grey White Gold Silver Tolerance
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