When a Light Switch Is Turned on in a Dc

question 8

Multiple Choice

When a light switch is turned on in a dc circuit,the average speed of electrons in the lamp is

• A)the speed of sound waves in metal.
• B)the speed of light.
• C)1000 cm/s.
• D)less than 1 cm/s.
• E)dependent on how quickly each electron bumps into the next electron.

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