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?
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?
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
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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.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F70fc39d2-4f2c-48f5-8a69-f0a79827303a%2F508d4ace-97e9-4881-b737-4f722e642467%2Feglkk9i_processed.jpeg&w=3840&q=75)
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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