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Chapter 13 - Current and Electricity - 8
1.
Kirchhoff’s first rule says ∑I=o.
a) True
b) False
2.
A very simple instrument which can measure and compare potential differences accurately is potentiometer.
a) False
b) True
3.
The ratio of the emfs is equal to ratio of the balancing lengths provided constant current flows through the wire.
a) False
b) True
4.
Watt is the unit of potential difference.
a) True
b) False
5.
Battery is a source of EMF.
a) True
b) False
6.
Wheatstone Bridge is a circuit to find potential difference across two points.
a) False
b) True
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