Free problems arranged by topic
 Kinematics Dynamics Conservation laws Thermodynamics Waves Electricity Magnetism Optics Fluids and elasticity Ideal gas AC current

 Free problems: all problems
 Kinematics Dynamics Conservation laws Thermodynamics Waves Electricity Magnetism Optics Fluids and elasticity Ideal gas AC current

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# Physics problems:magnetism

LC circuit

Problem 50.

An LC circuit consists of 10 mH inductor and  capacitor. The current in the circuit has its maximum value of 2 A at . How long is it until the capacitor is fully charged? What is the maximum charge on the capacitor?

Problem 51.

An LC circuit consists of 20 mH inductor and  capacitor. The current in the circuit has its maximum value of 5 A at . 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  if the capacitance  is .

Solution

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