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holla dued your answers are below ::
- search on google or take help from ncert for solving whole assessment.
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- resistivity is rho length upon area . its si unit is ohm meter
- 20 Watt
- Series is used in domestic circuit as in it current doesnt divide , so it is use , and potential differece divide as in dimestic circuit every appliance need differ potential difference
- 50 watt { five times }
- convectional current direction ....positive to negative
- we could nt touch electricity with wet hands bcoz water is good conductor of electricity.
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