To determine the polarity of the voltage drop across a resistor, it is necessary to know

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📊 Electronic Devices and Circuits

Q. To determine the polarity of the voltage drop across a resistor, it is necessary to know

(A) value of current through the resistor
(B) direction of current through the resistor
(C) value of resistor
(D) e.m.fs. in the circuit

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✅ Correct Answer: (B) direction of current through the resistor

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