# Electricity - batteries

13+14

- Sorry, no translations.

15

Start by measuring the single batteri having an internal resistance r and emf e
After that make measurements on the series of two such batteries. Use the slider to vary the outer resistance R.

Which connexion do You find between eseries and e
Which connexion do You find between rserie and r
Which connexion do You find between Imax,serie og Imax?

(Remark: r is not pictured - it is a part of the battery symbol).

16

Start by measuring the single batteri having an internal resistance r and emf e
After that make measurements on the parallel
of two such batteries. Use the slider to vary the outer resistance R.

Which connexion do You find between eparallel and e
Which connexion do You find between rparallel and r
Which connexion do You find between Imax,parallel and Imax?

(Remark: r is not pictured - it is a part of the battery symbol).

17

Start

Connect the circuit by using the switches, so that:

1. The voltage drop across the light bulb is the largest.  (Answer).

2. The current through the light bulb is the largest.  (Answer).

 S1 S2 S3

(Remark: r is not pictured - it is a part of the battery symbol).

18+19

- Sorry, no translations.

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