Question

A resistance coil is made by combining two resistances each of 2.5 Ohm in series. A 1.0 V steady emf get applied across the two ends of the coil for 5 minutes. The heat generated is:​

Answer 1

Answer:

1

Explanation:

V=1v , r=5ohm

We get current =5A by applying (I =V/R) formula

H = I^2 Rt

By applying the formula, we get

H = 1

Answer 2

Answer:

60J

Explanation:

R = 5Ω, V = 1V, T = 5 x 60 = 300sec

H = $V^2$ x t / R = $1^2$ x 300 / 5 = 300/5 = 60 J

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