MCQ
The direction of electric field is from:
- ✓Positive to negative plate.
- BNegative to positive plate.
- CBoth $a$ and $b.$
- DNone.
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$[1]$ battery emf is increased
$[2]$ all resistances are increased by $10\,ohms$
$[3]$ all resistances are made five times
$[4]$ the battery and the galvanometer are interchanged
