b) Measure the total circuit resistance R, with the ohmmeter. 0-10mAde mA 1K RT (circuit) 1K c) Does the total circuit resistance value, agree with the results of Procedure 1, 0-25Vde (circuit) (c) and (d)? 1.5K R1 Explain. 1.5K R. Fig. 8-3 3. a) Connect the circuit shown in Fig. 8-2. Note that the ammeter, set to the 0-10mAdc range, is connected between resistor R, and the e) Does the total calculated circuit resis- power source. tance value, RT (caleulatedi agree with the result of Procedure 2 (b)? b) Turn on the power source and adjust to 25Vdc. c) How much circuit current is indicated by the milliammeter? f) Return the voltage to zero and turn off the power source. (circuit) mAdc 4. a) Connect the milliammeter between R, and R2 as shown in Fig. 8-3. b) Turn on the power source and adjust to 0-10mA de 25Vdc. c) Measure and record the current flowing mA between R, and R2. 1K IK mAdc 0-25Vdc d) Return the voltage to zero and turn off 1.5K the power source. 1.5 K R. 5. a) Repeat Procedure 4 with the milliam- meter connected, in turn, to the following circuit positions: Fig. 8-2 d) Subetitute
b) Measure the total circuit resistance R, with the ohmmeter. 0-10mAde mA 1K RT (circuit) 1K c) Does the total circuit resistance value, agree with the results of Procedure 1, 0-25Vde (circuit) (c) and (d)? 1.5K R1 Explain. 1.5K R. Fig. 8-3 3. a) Connect the circuit shown in Fig. 8-2. Note that the ammeter, set to the 0-10mAdc range, is connected between resistor R, and the e) Does the total calculated circuit resis- power source. tance value, RT (caleulatedi agree with the result of Procedure 2 (b)? b) Turn on the power source and adjust to 25Vdc. c) How much circuit current is indicated by the milliammeter? f) Return the voltage to zero and turn off the power source. (circuit) mAdc 4. a) Connect the milliammeter between R, and R2 as shown in Fig. 8-3. b) Turn on the power source and adjust to 0-10mA de 25Vdc. c) Measure and record the current flowing mA between R, and R2. 1K IK mAdc 0-25Vdc d) Return the voltage to zero and turn off 1.5K the power source. 1.5 K R. 5. a) Repeat Procedure 4 with the milliam- meter connected, in turn, to the following circuit positions: Fig. 8-2 d) Subetitute
Chapter9: Current And Resistance
Section: Chapter Questions
Problem 9.6CYU: Check Your Understanding A strain gauge is an electrical device to measure strain, as shown below....
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