A galvanometer has an internal resistance of 100 ohms and measures only 250HA when it is full scale deflected. 10. Now if we want to convert it into an Ammeter with a full-scale deflection of 10.0 mA. What value of the shunt resistor do we need to connect in parallel with the galvanometer? a. 0.251 ohms b. 39900 ohms c. 1.5 ohms d. 2.56 ohms

College Physics
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ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
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Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
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A * *O A 15% Ô 4:03 PM
1Ɔ X TU
а. Пone oI these.
0
.8. A capacitor has a surface area of 0.24 square meters and a separation between plates is 3.0 cm
Teflon is filled between the plates. The dielectric constant of teflon is 2.1. The voltage between the
plates is 50 V. Find the capacitance.
ст.
а. 7.1 x 1011 F
b. 0.64 F
c. 1.49 x 102 F
d. 1.49 x 1010 F
9. Still refer to the previous capacitor, find the energy stored in the capacitor.
b. 1.86 x 107J
а. 800 J
c. 3.73 x 10° J
d. none of these
A galvanometer has an internal resistance of 100 ohms and measures only 250 µA when it is full scale
deflected.
10. Now if we want to convert it into an Ammeter with a full-scale deflection of 10.0 mA. What value
of the shunt resistor do we need to connect in parallel with the galvanometer?
а. 0.251 ohnis
b. 39900 ohms
c. 1.5 ohms
d. 2.56 ohms
Transcribed Image Text:A * *O A 15% Ô 4:03 PM 1Ɔ X TU а. Пone oI these. 0 .8. A capacitor has a surface area of 0.24 square meters and a separation between plates is 3.0 cm Teflon is filled between the plates. The dielectric constant of teflon is 2.1. The voltage between the plates is 50 V. Find the capacitance. ст. а. 7.1 x 1011 F b. 0.64 F c. 1.49 x 102 F d. 1.49 x 1010 F 9. Still refer to the previous capacitor, find the energy stored in the capacitor. b. 1.86 x 107J а. 800 J c. 3.73 x 10° J d. none of these A galvanometer has an internal resistance of 100 ohms and measures only 250 µA when it is full scale deflected. 10. Now if we want to convert it into an Ammeter with a full-scale deflection of 10.0 mA. What value of the shunt resistor do we need to connect in parallel with the galvanometer? а. 0.251 ohnis b. 39900 ohms c. 1.5 ohms d. 2.56 ohms
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