Current Electricity and Electrical InstrumentHard
Question
The ammeter shown in figure consists of a 480 Ω coil connected in parallel to a 20 Ω shunt. Find the reading of the ammeter.


Options
A.
B.
C.
D.
Solution
Req = 10 +
= 10 + 
current passes through the battery.
I =
amp.
current passes through the battery.
I =
Create a free account to view solution
View Solution FreeTopic: Current Electricity and Electrical Instrument·Practice all Current Electricity and Electrical Instrument questions
More Current Electricity and Electrical Instrument Questions
Three voltmeters, all having different resistances, are joined as shown. When some potential difference is applied acros...A wire of uniform resistance $\lambda\Omega/m$ is bent into a circle of radius $r$ and another piece of wire with length...The resistance of a coil in a platinum resistance thermometer at 0oC is 5 ohm and at 100oC it is 5.75 ohm. Its resistanc...The charge flowing through a resistance R varies with time t as Q=at - bt2 where a and b are positiveconstants. The tota...For a post office box, the graph of galvanometer deflection versus R (resistance pulled out of RB) for the ratio 100 : 1...