In the flashing light circuit shown in Fig. 7.45, the PRACTICAL lamp can be modeled as a
Chapter 7, Problem 7.105(choose chapter or problem)
In the flashing light circuit shown in Fig. 7.45, the PRACTICAL lamp can be modeled as a 1.3 kO resistor when it is PERSPECTIVE r PSPICE conducting. The lamp triggers at 900 V and cuts off MULTISIM at 30 0 V. a) If Vs = 1000 V, R = 3.7 kO, and C = 250 fiF, how many times per minute will the light flash? b) What is the average current in milliamps delivered by the source? c) Assume the flashing light is operated 24 hours per day. If the cost of power is 5 cents per kilowatthour, how much does it cost to operate the light per year?
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