SECTIONC 6. Two resistors, one 4 12 and another unknown resistor are connected in a series across a 15 V battery. If the voltage drop across the unknown resistor is 8 V, find (a) potential across 4 12 resistance (b) the current through unknown resistor 'R' (c) equivalent resistance of the circuit.
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If the voltage drop across the 500Ω resistor is 2.5V? All resistances are in ohms. expand. Easy.
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