2. A wire has a diameter of 10mm, length 50m and resistivity 3.8 x10-8Qm. What is the resistance of the wire? 3. A battery of emf 10V and internal resistance 1.20 is connected across a 50 resistor. Calculate the following: a) The current through the circuit b) The terminal voltage

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2. A wire has a diameter of 10mm, length 50m and resistivity 3.8
x10-8Qm. What is the resistance of the wire?
3. A battery of emf 10V and internal resistance 1.20 is
connected across a 50 resistor. Calculate the following:
a) The current through the circuit
b) The terminal voltage
Transcribed Image Text:2. A wire has a diameter of 10mm, length 50m and resistivity 3.8 x10-8Qm. What is the resistance of the wire? 3. A battery of emf 10V and internal resistance 1.20 is connected across a 50 resistor. Calculate the following: a) The current through the circuit b) The terminal voltage
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