PES 2150 Kirchhoff Data Sheet (1)

6. The equivalent total resistance in the circuit in Figure 1 is 2200 E=7V 4700 1000. 100. 3300 Figure 1 1. 558.90 2. 2160 3. 390.72 4. 140.922

Resistors Circuits I Each of the circuits below consists of a battery and several resistors. Several of the voltages, currents, and resistances are indicated. Use both of Kirchoff's Laws and Ohm's Law to determine as many of the other voltages, currents, and resistances as possible.

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A 0 – 150 voltmeter has a resistance of 2000-ohms per volt.  It is desired to change this voltmeter to a 0 – 600 volt instrument by the edition of an external multiplier. What is the resistance, in ohms, of this external multiplier?

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Figure 2 4. Consider the circuit in Figure 3. D1 is Gallium arsenide and D2 is Silicon, each has a forward resistance of 500. Determine the following: a. The states of D1 and D2. Explain. b. Current 11 through R1 c. Current 12 through R2 d. Current 13 through R3 e. Voltage Vo Liv Hilt R1 1092 V1 12V (+2) V1 D1 1V 50Hz 0° 1 D1 R2 1592 Figure 3 5. Do number 4 again, but this time reverse both the positions of D1 and D2. 6. Consider the circuit in Figure 4. a. Calculate the voltage across R3 during the positive half cycle of the source voltage V1. b. Calculate the voltage across R3 during the negative half cycle of the source voltage V1. c. Sketch the waveform of the voltage across R3. R1 1kQ V2 9V D2 R3 10092 R2 1k92 D2 Vo R3 1k92