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Physics problems: magnetism

Part 6

 

Problem 51.

An LC circuit consists of 20 mH inductor and current capacitor. The current in the circuit has its maximum value of 5 A at voltage. What is the maximum voltage across the capacitor?

Solution

 

Problem 52.

In an oscillating LC circuit, when 60% of total energy is stored in the inductor’s magnetic energy, what multiple of the maximum charge is on the capacitor?

Solution

 

Problem 53.

In the LC circuit, the maximum potential difference across the capacitor during the oscillations is 2.0 V, and the maximum current through the inductor is 50 mA. What is the inductance electric field if the capacitance electricity is motion.

Solution

 

Problem 54.

A coil with an inductance of current and a resistance of voltage is suddenly connected to an ideal 20 V battery. At 0.04 ms after the connection is made, what is the current in the circuit and what is the energy stored in the magnetic field?

Solution

 

Problem 55.

Find the equivalent inductance of the circuit shown in the figure.

 

current

Solution

 

 

 

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