A galvanometer of resistance 240 allows only 4% of the main current after connecting a shunt resistance. The value of the shunt resistance is |
|||||||
a) |
10 |
b) |
20 |
c) |
8 |
d) |
5 |
A galvanometer of resistance 240 allows only 4% of the main current after connecting a shunt resistance. The value of the shunt resistance is |
|||||||
a) |
10 |
b) |
20 |
c) |
8 |
d) |
5 |
(a)
Given, galvanometer resistance G=24
Shunt resistance
From figure voltage through the circuit.