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1. What is the approximate magnitude of the magnetic field at a separation of 10 nm from an electron? (You may assume the electron's spin

1. What is the approximate magnitude of the magnetic field at a separation of 10 nm from an electron? (You may assume the electron's spin is aligned to the direction of separation)

2. A circuit contains a Resistor R and an Inductor L in parallel, the current through them is initially I (but there are no other sources of current). What is the magnetic field energy stored in the Inductor at a time t=L/R later? 


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