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As more lamps are put into a series circuit, the overall current in the power source

To say that electric charge is conserved means that no case has ever been found where

The photo on page 193 shows Lillian’s hair standing out when her hand is on a charged Van de Graaff generator, which illustrates

Wood is a poor conductor

A boat at anchor is rocked by waves whose crests are 40 m apart and with wave speed 10 m/s. These waves reach the boat once every

A rubber rod rubbed with fur becomes

A wave with a high frequency has a relatively

When bringing water to a boil in the mountains, the time needed to reach the boiling point is

An electronic game requires 6 V for operation. With a transformer it can be powered by a 120-V outlet. If the primary has 500 turns, the secondary has

The metal detectors that travelers walk through at airports operate via