Questions from Modern Physics

Q: In Fig. 30.11, suppose that

In Fig. 30.11, suppose that

Q: Consider the circuit in Exercise 30.23. Exercise

Consider the circuit in Exercise 30.23. Exercise 30.23: An inductor with an inductance of 2.50 H and a resistance of 8.00 Ω is connected to the terminals of a battery with an emf of 6.00 V and negli...

Q: An inductor with an inductance of 2.50 H and a

An inductor with an inductance of 2.50 H and a resistance of 8.00 Ω is connected to the terminals of a battery with an emf of 6.00 V and negligible internal resistance. Find (a). the initial rate of...

Q: A rectangular coil of wire, 22.0 cm by 35

A rectangular coil of wire, 22.0 cm by 35.0 cm and carrying a current of 1.95 A, is oriented with the plane of its loop perpendicular to a uniform 1.50-T magnetic field (Fig. E27.42). Fig. E27.42:...

Q: In Fig. 30.11, R = 15.0

In Fig. 30.11, R = 15.0 and the battery emf is 6.30 V. With switch S2 open, switch S1 is closed. After several minutes, S1 is opened and S2 is closed. Fig. 30.11: (a) At 2.00 ms after S1 is opene...

Q: A 15.0-µF capacitor is charged by a 150

A 15.0-µF capacitor is charged by a 150.0-V power supply, then disconnected from the power and connected in series with a 0.280-mH inductor. Calculate: (a). the oscillation frequency of the circuit;...

Q: A 7.50-nF capacitor is charged up to 12

A 7.50-nF capacitor is charged up to 12.0 V, then disconnected from the power supply and connected in series through a coil. The period of oscillation of the circuit is then measured to be 8.60 × 10-5...

Q: A 18.0-µF capacitor is placed across a 22

A 18.0-µF capacitor is placed across a 22.5-V battery for several seconds and is then connected across a 12.0-mH inductor that has no appreciable resistance. (a). After the capacitor and inductor are...

Q: A capacitor with capacitance 6.00 × 10-5 F

A capacitor with capacitance 6.00 × 10-5 F is charged by connecting it to a 12.0-V battery. The capacitor is disconnected from the battery and connected across an inductor with L = 1.50 H. (a). What...

Q: What are the relative advantages and disadvantages of Ampere’s law and the

What are the relative advantages and disadvantages of Ampere’s law and the law of Biot and Savart for practical calculations of magnetic fields?