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Electric Current 1. How long does it take for a charge of 3.5 C to pass through the cross-sectional area of a wire that is carrying a current of 0.57 A? 2. A net charge of 30 C passes through the cross-sectional area of a wire in 2 min. What is the current in the wire? 3. How long would it take for a net charge of 2.5 C to pass a location in a wire if it is to carry a steady current of 5mA? 4. A small toy car draws a 0.5 mA current from a NiCd (Nickel- Cadmium) battery. In 10 min of operation, how much charge flows through the toy car? 5. A car's starter motor draws 50 A from the car's battery during start up. If the start up time is 1.5 sec, how many electrons pass a given location in the circuit during that time? 6. A net charge of 20 C passes a location in a wire in 1.25 min. How long does it take for a net 30 C charge to pass that location if the current in the wire is doubled? 7. During the 4 min a 5 A current is set up in a wire, how many a) Coulombs and b) electrons pass through across the wire? 8. The amount of charge that passes through the filament of a certain light bulb in 3 sec is 1.67 C. a) What is the current in the light bulb? b) What is the number of electrons that pass through the filament in 1 sec? 9. A charge of 360 C pass through a conductor in 20 sec. What is the corresponding current in Amperes? 10. Find the current in a conductor through which 2.5 X10²¹ electrons pass in 8 sec if the charge of an electron is approximately 1.6X10-19 C.

Electric Current 1. How long does it take for a charge of 3.5 C to pass through the cross-sectional area of a wire that is carrying a current of 0.57 A? 2. A net charge of 30 C passes through the cross-sectional area of a wire in 2 min. What is the current in the wire? 3. How long would it take for a net charge of 2.5 C to pass a location in a wire if it is to carry a steady current of 5mA? 4. A small toy car draws a 0.5 mA current from a NiCd (Nickel- Cadmium) battery. In 10 min of operation, how much charge flows through the toy car? 5. A car's starter motor draws 50 A from the car's battery during start up. If the start up time is 1.5 sec, how many electrons pass a given location in the circuit during that time? 6. A net charge of 20 C passes a location in a wire in 1.25 min. How long does it take for a net 30 C charge to pass that location if the current in the wire is doubled? 7. During the 4 min a 5 A current is set up in a wire, how many a) Coulombs and b) electrons pass through across the wire? 8. The amount of charge that passes through the filament of a certain light bulb in 3 sec is 1.67 C. a) What is the current in the light bulb? b) What is the number of electrons that pass through the filament in 1 sec? 9. A charge of 360 C pass through a conductor in 20 sec. What is the corresponding current in Amperes? 10. Find the current in a conductor through which 2.5 X10²¹ electrons pass in 8 sec if the charge of an electron is approximately 1.6X10-19 C.

College Physics
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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Electric Current 1. How long does it take for a charge of 3.5 C to pass through the cross-sectional area of a wire that is carrying a current of 0.57 A? 2. A net charge of 30 C passes through the cross-sectional area of a wire in 2 min. What is the current in the wire? 3. How long would it take for a net charge of 2.5 C to pass a location in a wire if it is to carry a steady current of 5mA? 4. A small toy car draws a 0.5 mA current from a NiCd (Nickel- Cadmium) battery. In 10 min of operation, how much charge flows through the toy car? 5. A car's starter motor draws 50 A from the car's battery during start up. If the start up time is 1.5 sec, how many electrons pass a given location in the circuit during that time? 6. A net charge of 20 C passes a location in a wire in 1.25 min. How long does it take for a net 30 C charge to pass that location if the current in the wire is doubled? 7. During the 4 min a 5 A current is set up in a wire, how many a) Coulombs and b) electrons pass through across the wire? 8. The amount of charge that passes through the filament of a certain light bulb in 3 sec is 1.67 C. a) What is the current in the light bulb? b) What is the number of electrons that pass through the filament in 1 sec? 9. A charge of 360 C pass through a conductor in 20 sec. What is the corresponding current in Amperes? 10. Find the current in a conductor through which 2.5 X10²⁰ electrons pass in 8 sec if the charge of an electron is approximately 1.6X10-19 C.
Transcribed Image Text:Electric Current 1. How long does it take for a charge of 3.5 C to pass through the cross-sectional area of a wire that is carrying a current of 0.57 A? 2. A net charge of 30 C passes through the cross-sectional area of a wire in 2 min. What is the current in the wire? 3. How long would it take for a net charge of 2.5 C to pass a location in a wire if it is to carry a steady current of 5mA? 4. A small toy car draws a 0.5 mA current from a NiCd (Nickel- Cadmium) battery. In 10 min of operation, how much charge flows through the toy car? 5. A car's starter motor draws 50 A from the car's battery during start up. If the start up time is 1.5 sec, how many electrons pass a given location in the circuit during that time? 6. A net charge of 20 C passes a location in a wire in 1.25 min. How long does it take for a net 30 C charge to pass that location if the current in the wire is doubled? 7. During the 4 min a 5 A current is set up in a wire, how many a) Coulombs and b) electrons pass through across the wire? 8. The amount of charge that passes through the filament of a certain light bulb in 3 sec is 1.67 C. a) What is the current in the light bulb? b) What is the number of electrons that pass through the filament in 1 sec? 9. A charge of 360 C pass through a conductor in 20 sec. What is the corresponding current in Amperes? 10. Find the current in a conductor through which 2.5 X10²⁰ electrons pass in 8 sec if the charge of an electron is approximately 1.6X10-19 C.
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