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1. The emf of a cell is E=1.5 and its internal resistance, Ro=0.3. The cell is connected across a resistor of 2.7 ohms resistance. Find
1. The emf of a cell is E=1.5 and its internal resistance, Ro=0.3. The cell is connected across a resistor of 2.7 ohms resistance. Find the current in the circuit. 2. A resistor of 16 ohms is wound with 40 meters of wire 0.5 mm2 in cross-section. Identify the material of the wire. Material Resistivity Silver= 0.016 Copper= 0.0175 Lead= 0.2 Iron= 0.13 Tungsten= 0.05 3
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