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The slope of the V-I curve is 0°. Calculate the value of resistance. The graph is parallel to the x-axis.

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The slope of the V-I curve is 0°. Calculate the value of resistance. The graph is parallel to the x-axis.

(a) 1 Ω

(b) 1.8 Ω

(c) 0 Ω

(d) 2.2 Ω

This question was addressed to me in a national level competition.

This interesting question is from Dynamics topic in division Dynamics of Electrical Drives of Electric Drives

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The correct answer is (c) 0 Ω

Explanation: The slope of the V-I curve is resistance. The slope given is 0° so R=tan(0°)=0 Ω. The slope of the V-I curve is resistance. It behaves as a short circuit.

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