A galvanometer having a coil resistance ...

A galvanometer having a coil resistance of `100 omega` gives a full scale deflection , when a current of `1 mA` is passed through it. The value of the resistance, which can convert this galvanometer into ammeter giving a full scale deflection for a current of `10A` , is :

`2Omega`

`0.1Omega`

`3Omega`

0.01Omega`

Text Solution

Verified by Experts

The correct Answer is:

Topper's Solved these Questions

CURRENT ELECTRICITY
MOTION|Exercise EXERCISE -4 (Level -II)|25 Videos
CURRENT ELECTRICITY
MOTION|Exercise EXERCISE -3 (Level -II) SECTION F- Electrical Instrument + Exp. Verifying ohm s law & Specific Resistance Using Meter Brige & post Office + Potentiometer (EMF & Int Res.)|3 Videos
CONSTRAINED MOTION
MOTION|Exercise EXAMPLES|12 Videos
ELASTICITY
MOTION|Exercise EXERCISE -3|60 Videos

Similar Questions

Explore conceptually related problems

A galvanometer with a coil resistance of 100Omega shows a full-scale deflection when a current of 1 mA is passed through it. What is the value of the resistance which can convert this galvanometer into an ammeter showing a full-scale deflection for a current of 10A? A resistance of the required value is available but it will get burnt if the energy dissipated in it is greater than 1W. Can it be used for the conversion of the galvanometer described above? [Hint:Power dissipated = I^(2) watt)

A galvanometer having a coil resistance 200 Omega gives a full scale deflection when a current of 1mA is passed through it. What is the value of the resistance which can convert this galvanometer into a voltmeter giving full scale deflection for a potential difference of 50 V?

A galvanometer with a coil resistance of 100Omega shows a full-scale deflection when a current of 1 mA is passed through it. What is value of the resistance which can convert this galvanometer into an ammeter showing a full scale deflection for a current 10 A? A resistance of the required value is available but it will get burnt if the energy dissipated in it is greater then 1 W. Can it be used for the conversion of the galvanometer described above?

A galvanometer having a coil resistance 100 Omega given full scale deflection when a current of 1mA is passed throught it . What is the value of the resistance which can convert this galvanometer into a voltmeter giving full scale deflection for a potential difference of 10 V ?

A galvanometer with a coil of resistance 50 Omega shows full-scale deflection when 10 mA current passes through it.

A galvanometer of resistance 50Omega gives full scale deflection when a current 10^(-3)A is passed through it converted into an ammeter to measure 0.5A current.

MOTION-CURRENT ELECTRICITY-EXERCISE -4 (Level -I)

In the circuit shown below, the key K is closed at t =0. The current t...
Text Solution
|
If 400 Omega of resistance is made by adding four 100 Omega resistance...
Text Solution
|
The current in the primary circuit of a potentiometer is 0.2 A. The sp...
Text Solution
|
If a copper wire is stretched to make it 0.1% longer wha is the percen...
Text Solution
|
Two electic bulbs marked 25 W -220 V and 100 W - 220 V are connected i...
Text Solution
|
Resistance of a given wire is obtained by mea suring the current flowi...
Text Solution
|
The supply voltage to room is 120 V. The resistance of the lead wires ...
Text Solution
|
Assertion : Higher the range, greater is the resistance of ammeter. ...
Text Solution
|
In a large building, there are 15 bulbs of 40 W, 5 bulbs of 100 W, 5 f...
Text Solution
|
When 5 V potential difference is applied across a wire of length 0.1 m...
Text Solution
|
In the circuit shown , the current in the 1Omega resistor is :
Text Solution
|
A galvanometer having a coil resistance of 100 omega gives a full scal...
Text Solution
|
The temperature dependence of resistance of Cu and undoped Si in the t...
Text Solution
|
In the above circuit the current in each resistance is -
Text Solution
|
In the given circuit diagram when the current reaches steady state in...
Text Solution
|
Which of the following statements is false ?
Text Solution
|
The reading of the ammeter for a silicon diode in the given circuit is...
Text Solution
|
Two batteries with e.m.f 12 V and 13 V are connected in parallel acros...
Text Solution
|
On interchanging the resistances, the balance point of a meter bridge ...
Text Solution
|
In a potentiometer experiment it is found that no current passes throu...
Text Solution
|