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two resistors of resistance300 and 600ohm at 0°C having thermal coefficient of resistance alpha and 3alpha resp. if they are connected in parallel , then equivalent thermal coefficient of resistance is |
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Answer» Answer: The thermal COEFFICIENT of RESISTANCE is ⇒α= R
dt dR
Equivalent resistance in series= R 1
+R 2
=R eq.
dt dR eq.
= dt dR 1
+ dt dR 2
α eq.
R eq.
=α 1
R 1
+α 2
R 2
α eq.
= R 1
+R 2
α 1
R 1
+α 2
R 2
Explanation: |
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