Choose the correct options for the following questions.
In order to have a constant current through a wire, the potential difference across its ends should:
Difficulty: Easy
A:
Be zero
B:
Be maintained constant
C:
Goes on increasing
D:
Goes on decreasing
When two spherical conducting balls at different potentials are joined by a metallic wire, after some time:
Difficulty: Easy
A:
Both the conductors are at the same potential
B:
Potential difference across the conductors remain constant
C:
Potential difference across the conductors becomes zero
D:
Both a and b
The example/s of non-electrical energy is/are:
Difficulty: Easy
A:
Chemical energy
B:
Mechanical energy
C:
Heat energy
D:
Both a and b
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