The given figure shows that,two thin str...

The given figure shows that,two thin strips of metal are bolted together at one end have the same temperature. One is steel , and the other is aluminium . The steel strip is 0.10% longer than the aluminium strip. By how much should the temperature of the strips be increased, so that the strips have the same length ?

`91^@C`

`99^@C`

`77^@C`

`85^@C`

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