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1. 5 capacitors each of 0.01F are connected in series. These are connected in se

ID: 2254611 • Letter: 1

Question

1. 5 capacitors each of 0.01F are connected in series. These are connected in series to 2 capacitors each of 0.02F which are connected in parallel. The total capacitance of the system can be written as 1/x in units of F. What is the value of x?



2. Four wires are arranged in a small bundle in a N-S direction. Wire 1, wire 2 and wire 3 carry identical currents of 2A, flowing from N-S. Wire 4 has a 3A current flowing from S-N. The magnetic field is measured to be 0.01T on an imaginary circle of radius 3cm surrounding the bundle. Now imagine that the current in Wire 4 becomes 0A. What magnetic field is measured on the same imaginary circle?

Explanation / Answer

x=1/C =52.5