The resistanca of an ammeter is 13Omega ...

The resistanca of an ammeter is `13Omega` and its scale is graduated for a current upto 100 connected to this ammeter it becomes possible to measure currents upto 750 A by this meter. The value fo shunt resistance is

Text Solution

Verified by Experts

The correct Answer is:

Topper's Solved these Questions

CURRENT ELECTRICITY
ALLEN|Exercise EXERCISE-V B|20 Videos
CURRENT ELECTRICITY
ALLEN|Exercise EX.II|66 Videos
CURRENT ELECTRICITY
ALLEN|Exercise EXERCISE-IV B|14 Videos
CIRCULAR MOTION
ALLEN|Exercise EXERCISE (J-A)|6 Videos
GEOMETRICAL OPTICS
ALLEN|Exercise subjective|14 Videos

Similar Questions

Explore conceptually related problems

The resistance of an ammeter is 13 Omega and its scale is graduated for a current upto 100 A . After an additional shunt has been connected to this ammeter it becomes possible to measure currents upto 750 A by this meter. The value of shunt resistance is

A moving coil galvanometer has 50 turns and each turn has an area 210 . The magnetic field produced by the magnet inside the galvanometer is 0.02 . The torsional constant of the suspension wire is 10 . When a current flows through the galvanometer, a full scale deflection occurs if the coil rotates by 0.2 . The resistance of the coil of the galvanometer is 50 . This galvanometer is to be converted into an ammeter capable of measuring current in the range 01.0 . For this purpose, a shunt resistance is to be added in parallel to the galvanometer. The value of this shunt resistance, in , is __________.

An ammeter of resistance 0*80Omega can measure current upto 1*0A . (a) What must be the value of shunt resistance to enable the ammeter to measure current upto 5*0A ? (b) What is the combined resistance of the ammeter and the shunt?

A galvanometer with its coil resistance 25 Omega requires a current of 1 mA for its full deflection. In order to construct an ammeter to read up to a current of 2A, the approximate value of the shunt resistance should be :

An ammeter of resistance 0.6Omega can measure current upto 1.0 A. Calculate (i) The shunt resistance required to enable the ammeter to measure current upto 5.0 A (ii) The combined resistance of the ammeter and the shunt.

A voltmeter coil has resistance 50.0(Omega) and a resistor of 1.15k(Omega) is connected in series.It can read potential differences upto 12 volts.If this same coil is used to construct an ammeter which can measure currents up to 2.0A ,What should be the resistance of the shunt used ?

The resistance of an ammeter of range 5A is 1.8Omega A shunt of 0.2Omega is connected in parallel to it. When its indicator shows a current of 2A then what will be effective current?

A battery of emf 1.4 V and internal resistance 2 Omega is connected to a resistor of 100 omega resistance through an ammeter. This resistance of the ammeter is 4//3 Omega . A voltmeter has also been connected to find the potential difference across the resistor. a. Draw the circuit diagram. b. The ammeter reads 0.02 A . What is the resistance of the voltmeter? c. The voltmeter reads 1.1 V . What is the error in the reading?

If the galvanometer current is 10 mA, resistance of the galvanometer is 40 Omega and shunt of 2 Omega is connected to the galvanometer, the maximum current which can be measured by this ammeter is

A galvanometer of resistance 100Omega gives full scale deflection for 10mA current. What should be the value of shunt, so that it can measure a current of 100mA?

ALLEN-CURRENT ELECTRICITY-EXERCISE-V A

Two metallic s pheres of radii R(1) and R(2) are connected b y a thin ...
Text Solution
|
When the power delivered by a 100 volt battery is 40 watts the equival...
Text Solution
|
Two batteries, one of emf 18V and internal resistance 2Omega and the o...
Text Solution
|
When a wire of uniform cross-section a , length l and resistance R is ...
Text Solution
|
For the network shown in the figure the value of the current i is
Text Solution
|
In a potentiometer experiment it is found that no current passes throu...
Text Solution
|
A potentiometer wire has resistance 40Omega and its length is 10m. It ...
Text Solution
|
A 2^(@)C rise in temperature is observed in a conductor passing a curr...
Text Solution
|
If a uniform wire of resistance R is uniformly strethced to n times th...
Text Solution
|
In the circuit shown if a conducting wire is connected between points ...
Text Solution
|
In the circuit shown in figure, match following.
Text Solution
|
Electric field inside a copper wire of length 10 m , resistance 2 ohm ...
Text Solution
|
The resistanca of an ammeter is 13Omega and its scale is graduated for...
Text Solution
|
The current density varies radical distance r as J=ar^(2), in a cylind...
Text Solution
|
Four wires of the same diameter are connected, in turn, between two po...
Text Solution
|
Five resistance, each of 5Omega are connected as shown in figure. Find...
Text Solution
|
In the circuit shown, the current throuhg the 4Omega resistor is 1A wh...
Text Solution
|
A galvanometer of resistance 50Omega is connected to a battery of 3V a...
Text Solution
|
A current of 3 A flows through the 2 Omega resistor shown in the circ...
Text Solution
|
In the circuit shown in figure potential difference between the points...
Text Solution
|