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Figure 1 Figure 2 shows a multi-range scale that is used to measure small currents. When the approximate value of current is not known, it is customary to set the selector switch to the highest value initially and then switch down the ranges until a readable deflection in the upper part of the scale is obtained. 10 15 4. 20 30 10 Suppose the selector is at the 10 mA position and the actual current being measured is 10 milli- amperes, the pointer should move across the scale and align itself with the right-hand edge of the 0-10 scale. (The selector switch position corresponds with the full scale value, and the appropriate scale is used). For example, with the selector switch at 10 mA and the pointer as shown in Figure 2, the current is 8.3 mA. mA, Selector Switch 1 0mA 25MA 50mA Now estimate the current when the selector switch is: Figure 2 mA (a) at 25mA Answer mA (b) at 50mA Answer

Figure 1 Figure 2 shows a multi-range scale that is used to measure small currents. When the approximate value of current is not known, it is customary to set the selector switch to the highest value initially and then switch down the ranges until a readable deflection in the upper part of the scale is obtained. 10 15 4. 20 30 10 Suppose the selector is at the 10 mA position and the actual current being measured is 10 milli- amperes, the pointer should move across the scale and align itself with the right-hand edge of the 0-10 scale. (The selector switch position corresponds with the full scale value, and the appropriate scale is used). For example, with the selector switch at 10 mA and the pointer as shown in Figure 2, the current is 8.3 mA. mA, Selector Switch 1 0mA 25MA 50mA Now estimate the current when the selector switch is: Figure 2 mA (a) at 25mA Answer mA (b) at 50mA Answer

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...
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Figure 1 Figure 2 shows a multi-range scale that is used to measure small currents. When the approximate value of current is not known, it is customary to set the selector switch to the highest value initially and then switch down the ranges until a readable deflection in the upper part of the scale is obtained. 10 15 4 40 50 30 20 10 Suppose the selector is at the 10 mA position and the actual current being measured is 10 milli- amperes, the pointer should move across the scale and align itself with the right-hand edge of the 0-10 scale. (The selector switch position corresponds with the full scale value, and the appropriate scale is used). For example, with the selector switch at 10 mA and the pointer as shown in Figure 2, the current is 8.3 mA. mA, Selector Switch 1 0mA 25MA 50mA Now estimate the current when the selector switch is: Figure 2 (a) at 25mA Answer mA (b) at 50mA Answer
Transcribed Image Text:Figure 1 Figure 2 shows a multi-range scale that is used to measure small currents. When the approximate value of current is not known, it is customary to set the selector switch to the highest value initially and then switch down the ranges until a readable deflection in the upper part of the scale is obtained. 10 15 4 40 50 30 20 10 Suppose the selector is at the 10 mA position and the actual current being measured is 10 milli- amperes, the pointer should move across the scale and align itself with the right-hand edge of the 0-10 scale. (The selector switch position corresponds with the full scale value, and the appropriate scale is used). For example, with the selector switch at 10 mA and the pointer as shown in Figure 2, the current is 8.3 mA. mA, Selector Switch 1 0mA 25MA 50mA Now estimate the current when the selector switch is: Figure 2 (a) at 25mA Answer mA (b) at 50mA Answer
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