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In a balanced wheat stone bridge, curren...

In a balanced wheat stone bridge, current in the galvanometer is zero. If remains zero when-
`(1)` battery emf is increased
`(2)` all resistance are increased by `10`ohms
`(3)` all resistance are made five times
`(4)` the battery and the galvanometer are intercharged

A

battery emf is increased

B

all resistances are increased by 10 ohms

C

all resistances are made five times

D

the battery and the galvanometer are interchanged

Text Solution

Verified by Experts

The correct Answer is:
A, C, D
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