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Match the materials listed in Group I with the most appropriate applications listed in Group II.

Match the materials listed in Group I with the most appropriate applications listed in Group II.
Correct Answer <table class="table-style-1"> <tr> <td><strong>Group I</strong></td> <td><strong>Group II</strong></td> </tr> <tr> <td>P. Iron-silicon alloy</td> <td>1. Heating element</td> </tr> <tr> <td>Q. GaAs</td> <td>2. Ultrasonic generator</td> </tr> <tr> <td>R. Nichrome</td> <td>3. Transformer core</td> </tr> <tr> <td>S. Quartz crystals</td> <td>4. Light emitting diode</td> </tr></table> P-3, Q-4, R-1, S-2

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