Question

In: Physics

What resistance is to be used to convert a galvanometer that gives full scale deflection of...

What resistance is to be used to convert a galvanometer that gives full scale deflection of 1 mA to read up to 10 Amperes?

Please show a picture, and show work!!! I need to understand this!!!

Solutions

Expert Solution

In order to increase range of galvanometer a shunt resistance having very small value must be connected across coil of galvanometer. Due to shunt excess current bypasses through it and this prevents galvanometer coil getting damage. For a given range value of shunt resistance should be 0.010001ohm.


Related Solutions

122-A galvanometer shows a deflection of 36 degrees for a current of 3,6mA when a rectangular...
122-A galvanometer shows a deflection of 36 degrees for a current of 3,6mA when a rectangular coil of area 30cm x 30cm with 100 turns of wire is suspended with the value of B=4x10-2 , find the torsional constant of the suspension wire 122B-A delta network has the following values RAB =120ohms, RBC=150ohms, RCA=200ohms calculate the values of the equivalent star network
1) Why do we see a deflection in the galvanometer, indicating current through the larger solenoid,...
1) Why do we see a deflection in the galvanometer, indicating current through the larger solenoid, when changing the amount of current through the smaller solenoid? 2)The faster the current in the smaller solenoid is changed, the greater the induced current in the larger solenoid. Why is this? THANKS IN ADVANCE
if an 8-bit sar adc is used to digitize 8v full scale signal, what will be...
if an 8-bit sar adc is used to digitize 8v full scale signal, what will be the digital o/p for an analog i/p of 5.76 v
Part II – Resistance Among the first antibiotics used on a large scale was penicillin, which...
Part II – Resistance Among the first antibiotics used on a large scale was penicillin, which was discovered in 1929 by Alexander Fleming.  It was finally isolated and synthesized in large quantities in 1943. Penicillin works by interfering with the bacterial cell wall synthesis. Without a cell wall, the bacterial cells cannot maintain their shape in changing osmotic conditions. This puts significant selective pressure on the microbes to evolve, as they cannot survive the osmotic stress. Any microbe that can resist...
1) a. How can a galvanometer be used to determine emf in a circuit? b. What...
1) a. How can a galvanometer be used to determine emf in a circuit? b. What two factors determine the direction of the induced emf? c. When a bar magnet is thrust into one end of a coil, is the pole produced at the end of the coil the same as, or opposite to the pole of the bar magnet? Does the action of these two magnetic fields tend to oppose the motion of the bar magnet or assist it?...
DATA Current (mA) Galvanometer Deflection 150 3 175 4 200 5.4 225 7 250 8.5 Make...
DATA Current (mA) Galvanometer Deflection 150 3 175 4 200 5.4 225 7 250 8.5 Make graph with this data for step 9. Analysis Questions Part 1 Q1. Does the galvanometer deflect to the left or the right when a)   the magnet is being pushed in b)   the magnet is being pulled out c)   the magnet is being held steady? Q2. How does the maximum deflection of the galvanometer appear to depend on the speed with which the magnet is...
What are the benefits of doing a pilot program before a full scale rollout of a...
What are the benefits of doing a pilot program before a full scale rollout of a new analytical methodology? Discuss this in the context of the mini case study.
The AmpR gene on plasmid pGLO gives cell resistance to Ampicillin. Explain what that means and...
The AmpR gene on plasmid pGLO gives cell resistance to Ampicillin. Explain what that means and how this gene provides that.
Which of the following gives the resistance from a characteristic curve? (A) The slope of the...
Which of the following gives the resistance from a characteristic curve? (A) The slope of the tangent line. (B) The slope of the secant line. (C) The reciprocal of the slope of the tangent line. (D) The reciprocal of the slope of the secant line.
We want to build a circut that measure the resistance of the human body and convert...
We want to build a circut that measure the resistance of the human body and convert it to voltage and the circut should have a led that work when the resistance of the body is low. And also we want to use a 741 op-amp And the measured resistance of the body can be represented by a variable resister(the concept of our circuit is to measure galvanic skin response )
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT