2. A circuit contains 3 resistors connected in series and no battery. It is a closed...

2. A circuit contains 3 resistors connected in series and no battery. It is a closed circuit and has dimensions of 18 cm by 42 cm. The resistor values are 12, 15 and 18 ohms. A magnetic field directed out of the plane of the circuit changes from 52 T to 0 T in 2.9 sec.

a. Sketch the circuit and indicate the direction of the initial magnetic field.

b. What is the magnetic flux through the circuit when the magnetic field is at its starting value? What is the flux when the field is at its final value?

c. What is the direction of the current in the circuit as the magnetic field is changing? Explain.

d. What is the induced emf and current in the circuit as the magnetic field is changing?

e. What is the direction of the current after the magnetic field reaches its final value?

Expert Solution

genius_generous answered 2 years ago

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