Question

Draw a closed circuit diagram consisting of a 0.5 m long nichrome wire XY, an ammeter, a voltmeter, four cells of 1.5 V each and a plug key. ...​

Answer 1

Answer:

See the attached file

Explanation:

Here for R= rho 0.5m/ area of cross section

and Battery is of 6V which is a combination of 4 cells each of 1.5V

Voltmeter is always connected in parallel

Ammeter is always connected in series

A dot with plug key shows that the key is on

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