1. A current is said to exist whenever A. a wire is charged B. a battery is pres ent C. electric charges are unbalanced D. electric dharges move in a loop 2. Current has a direction. By convention, aurrent is in the direction that A. + charges move B. - charges move C. - electrons move D. + electrons move 3. The resistance of an electric bulb drawing 1.2 A current at 6.0 V is A. 0.5W B. 5W C. 0.02W D. 2W
1. A current is said to exist whenever A. a wire is charged B. a battery is pres ent C. electric charges are unbalanced D. electric dharges move in a loop 2. Current has a direction. By convention, aurrent is in the direction that A. + charges move B. - charges move C. - electrons move D. + electrons move 3. The resistance of an electric bulb drawing 1.2 A current at 6.0 V is A. 0.5W B. 5W C. 0.02W D. 2W
Chapter9: Current And Resistance
Section: Chapter Questions
Problem 83CP: A particle accelerator produces a beam with a radius of 1.25 mm with a current of 2.00 mA. Each...
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