Physics · Electric Circuits
To determine the polarity of the voltage drop across a resistor in an active circuit, it is necessary to know:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1the value of current through the resistor.
- 2the direction of current through the resistor.✓
- 3the resistance value of the resistor.
- 4the total electromotive force (e.m.f.) in the circuit.
Correct answer
the direction of current through the resistor.
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