Home
Class 12
PHYSICS
In an ammeter, 4% of the main current is...

In an ammeter, 4% of the main current is passing through the galvanometer. If shunt resistance is 5 `Omega`, then resistance of galvanometer will be

A

60 `Omega`

B

120 `Omega`

C

240 `Omega`

D

480 `Omega`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Similar Questions

Explore conceptually related problems

In a ammeter 0.2% of main current passes through the galvanometer. If resistance of galvanometer is G , the resistance of ammeter will be

In an ammeter, 10% of the main current is passing through galvanometer, it the galvanometer is shunted with a 10 Omega resistance. What is the resistance of the galvanometer ?

The shunt required for 10% of main current to be sent through the moving coil galvanometer of resistance 99 Omega will be-

Kelvin's method of determination of resistance of galvanometer

The series combination of galvanometer and high resistance is called as

The deflection in moving coil galvanometer is reduced to half when it is shunted with 50Omega resistance. The resistance of galvanometer is

In a potentiometer experiment, it is found that no current passes through the galvanometer when the terminals of the cell are connected across 52 cm of the potentiometer wire. If the cell is shunted by a resistance of 5 Omega the balance point is found at 40 cm of the wire from the same end. The internal resistance of the cell is

A galvanometer can withstand safely a maximum current of 5 mA. If is converted into voltmeter readding upto 20 V by connecting in series an external resistance of 3960 Omega . The resistance of galvanometer is

State the uses of resistance connected in series with the galvanometer.

In a potentiometer experiment it is found that no current passes through the galvanometer when the terminals of the cell are connected across 0.52 m of the potentiometer wire. If the cell is shunted by a resistance of 5Omega balance is obtained when the cell connected across 0.4m of the wire. Find the internal resistance of the cell.