Questions What’s the difference between setting a volemter range to 20V or 200 V

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Questions What’s the difference between setting a volemter range to 20V or 200 V? What happens with the electric fiel pattern if we replace the negative charge in the dipole by a positive charge? Or vice versa? Would it be dense? Please explain. Thank you Questions What’s the difference between setting a volemter range to 20V or 200 V? What happens with the electric fiel pattern if we replace the negative charge in the dipole by a positive charge? Or vice versa? Would it be dense? Please explain. Thank you What’s the difference between setting a volemter range to 20V or 200 V? What happens with the electric fiel pattern if we replace the negative charge in the dipole by a positive charge? Or vice versa? Would it be dense? Please explain. Thank you

Explanation / Answer

1) Main differnence between these two types of voltmeter is about their range. You can not measure more than 20 V by 20 V range voltmeter. By using 200 V range voltmeter we can measure any reading upto 200 volts.

If we set both ranges for same voltmeter then 20 V range voltmeter gives you accurate value than 200 V range voltmeter.

2) If we replace negative charge by positive charge then pattern of electric field is different thsn previous one. Now because both charges are positive, electric field lines between these two charges repel each other. So it would not dense between these two positive charges.

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