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Answered

1. To carry how much charge between two points having potential difference equal to 220 V, 1760 J of work is done?

2. The EMF of a cell falls from 3 volts to 2.8 volts when it's terminals are joined to an electrical load of 4 Ohms. Calculate the internal resistance of the cell.

Sagot :

Athenamelviz

Answer:

Answer

The potential difference PD between two points is defined as the work done in moving a unit charge between them.

Hence PD=

charge

work

=

5

30

=6

Answer:- 6 volts.

Explanation:

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