Question: 28. A) What is the current in the circuit shown? B) What is the voltage at the point A? 12 V+ 300 0 45

28. A) What is the current in the circuit shown? B) What

28. A) What is the current in the circuit shown? B) What is the voltage at the point A? 12 V+ 300 0 45 2002 30. A cylindrical resistor is 1.0 cm long and has a cross-sectional area 0.04 cm. If its resistance is 4 mega Ohms, what is the resistivity in Q-meters of the material of which it is composed?

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