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| 1. |
In a thermocouple two metal junctions between metals M1 and M2 are kept at temperature T1 and T2. The thermocouple emf is produced because |
| A. | M1, M2 are similar and T1, T2 are equal |
| B. | M1, M2 are similar but T1, T2 are unequal |
| C. | M1, M2 are dissimilar but T1, T2 are equal |
| D. | M1, M2 are dissimilar but T1, T2 are unequal |
| Answer» E. | |