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प्रश्न
The e.m.f of The battery in a thermocouple is doubled. The rate of heat generated at one of the junction will.
विकल्प
Become half
Remain uncharged
Become double
Become four times.
MCQ
उत्तर
Become double
Explanation:
Peltier heat is produced at one junction due to current, and it varies directly with the current flowing and thus the e.m.f. of the battery used.
`(V_2 - V_1) oo (theta_2 - theta_1)`
⇒ `dv oo d theta`
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