Question

A galvanometer has a full scale current of 200 mA and an internal resistance of 500...

A galvanometer has a full scale current of 200 mA and an internal resistance of 500 mΩ.

a) Find the resistance needed to make the galvanometer into an ammeter with a full scale current of 5 A.

b) Find the resistance needed to make the galvanometer into a voltmeter with a full scale voltage of 10 V.

Science   Physics   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

answer (a) : 20.83 mili-ohm (to be added in parallel combination)

answer (b): 49.5 ohm (to be added in series combination)

Please give a positive rating by clicking on the thumbs up ? button if you get benefited from this answer? have a good day ahead. Thank you?

0 0
Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
a moving coil galvanometer produces full scale deflection for a current of 45mA. The resistance of...
a moving coil galvanometer produces full scale deflection for a current of 45mA. The resistance of the galvanometer is 22 ohms. How will you convert the galvanometer into an ammeter of range 22A 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!!!
1. A) A 13-Ω coffee maker and a 16-Ω frying pan are connected in series across...
1. A) A 13-Ω coffee maker and a 16-Ω frying pan are connected in series across a 120-V source of voltage. A 25 Ω bread maker is also connected across the 120-V source and is in parallel with the series combination. Find the total current supplied by the source of voltage. B) A new "D" battery has an emf of 1.5 V. When a wire of negligible resistance is connected between the terminals of the battery, a current of 25...
A galvanometer with r = 100 Ω and 2mA of full-scale current is turned into an...
A galvanometer with r = 100 Ω and 2mA of full-scale current is turned into an ammeter by association with a shunt resistor Rsh = 0.5 Ω. What is the maximum current that it can measure?
please show your work. 1.) An electric blanket is connected to a 240-V outlet and consumes...
please show your work. 1.) An electric blanket is connected to a 240-V outlet and consumes 111 W of power. What is the resistance of the heater wire in the blanket? _______? 2.)A galvanometer with a coil resistance of 9.07 ? is used with a shunt resistor to make a nondigital ammeter that has an equivalent resistance of 0.41 ?. The current in the shunt resistor is 2.75 mA when the galvanometer reads full scale. Find the full-scale current of...
1- A moving coil instrument has a resistance of 2 ohms(Rm) and its reads upto 250Volts(full...
1- A moving coil instrument has a resistance of 2 ohms(Rm) and its reads upto 250Volts(full scale reading )when a resistance of 5000 ohms is connected in series with it. Find the current range of the instrument ( Im + Is) when it is used as an ammeter with the coil connected across a shunt resistance of 2 milli ohms(Rs). 2- - In the bridge shown below, the null detector is a 1 mA, 50 , 100 divisions galvanometer. The...
the resister of the coil of a pivoted coil galvanometer is 8.88 ohms and current of...
the resister of the coil of a pivoted coil galvanometer is 8.88 ohms and current of 2.50*10^-2 A causes it to deflect full scale we want o convert this galvanometer to an ammeter reading 18 A full scale the only shunt available has resistance of 3*10^-2 ohms for good solution will get positive vote
Two scales on a voltmeter measure voltages up to 20.2 and 30.2 V, respectively. The resistance...
Two scales on a voltmeter measure voltages up to 20.2 and 30.2 V, respectively. The resistance connected in series with the galvanometer is 1530Ω for the 20.2-V scale and 3090Ω for the 30.2-V scale. Determine (a) the coil resistance and (b) the full-scale current of the galvanometer that is used in the voltmeter.
An 800 rpm, 500 V, 120 A (armature current), series motor has a field resistance of...
An 800 rpm, 500 V, 120 A (armature current), series motor has a field resistance of 0,04 Ω and an armature resistance of 0.11 Ω. Determine the speed of the motor: 2.1 For a supply voltage of 550 V and a current of 60 A. (9) 2.2 For a torque of 50% of full-load, a supply voltage of 500 V and a diverter across the field of 0.08 Ω. (11) 2.3 With a resistance of 1 Ω in series with...
Question 1: Suppose an emergency light has a resistance of 1000 Ω and you wish the...
Question 1: Suppose an emergency light has a resistance of 1000 Ω and you wish the emergency exit to remain illuminated for 10 minutes after a power failure. How large a capacitor would you need? Show your reasoning and calculations for full credit. Question 2: An RC circuit is comprised of 10 µF capacitor, a voltmeter with an internal resistance of 10 MΩ and a battery which may supply 12 V. After fully charging the capacitor, it is allowed to...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT