Home
Class 12
PHYSICS
Assertion : A galvanometer can be conver...

Assertion : A galvanometer can be converted into a voltmeter by connecting hight resistance (Rh) in series with the galvanometer .
Reason : The high resistance , `R_(h) = V/I_(g) - R_(g) `
where , `I_(g) to ` current through galvanometer
`R_(g) to ` Resistance of the galvanometer

A

Assertion and Reason are correct and Reason is the correct explanation of Assertion .

B

Assertion and Reason are true but Reason is the false explanation of the Assertion .

C

Assertion is true but Reason is false .

D

Assertion is false but Reason is true.

Text Solution

Verified by Experts

The correct Answer is:
a
Promotional Banner

Similar Questions

Explore conceptually related problems

Determine the current flowing through the galvanometer (G) as shown in the figure.

Assertion: Ammeter is always connected in series whereas a voltmeter is connected in parallel. Reason: An ammeter has a low resistance while voltmeter has high resistance.

A moving coil galvanometer can be converted into an ammeter. a. Is the statement true or false? b. Is it possible? Explain c. What is the effective resistance?

A galvanometer of resistance 100 Omega is converted to a voltmeter of range 10 V by connecting a resistance of 10k Omega . The resistance required to convert the same galvanometer to an ammeter of range 1 A is

A given galvanometer is to be converted into (i) an ammeter (ii) a voltmeter. In which case will the required resistance be (i) least (ii) highest and why?

The shunt resistance required to allow 4% of the main current through the galvanometer of resistance 48 Omega is

The shunt required to send 10 % of the main current through a moving coil galvanometer of resistance 99 Omega is

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

A galvanometer of resistance 50 Omega gives a full scale deflection for a current 5 xx 10^(-4)A .The resistance that should be connected in series with the galvanometer to read 3 V is:

A galvanometer coil has a resistance of 100 Omega . When a current passes through the galvanometer, 1% of the current goes through the coil and the rest through the shunt. Find the resistance of the shunt.