If a current of 77.0 mA exists in a metal wire, how many electrons flow past...
If a current of 77.0 mA exists in a metal wire, how many
electrons flow past a given cross section of the wire in 9.0
minutes?
_______ electrons
Sketch the direction of the current and the direction of the
electrons' motion. (Do this on paper. Your instructor may ask you
to turn in your work.)
Homework Answers
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If a current of 77.0 mA exists in a metal wire, how many
electrons flow past...
A current of 77.0 mA exists in a metal wire. (a) How many electrons flow past...
A current of 77.0 mA exists in a metal wire. (a) How many electrons flow past a given cross section of the wire in 10.9 min? _____ electrons (b) In what direction do the electrons travel with respect to the current?
If a current of 71.0 mA exists in a metal wire, how many electrons flow past...
If a current of 71.0 mA exists in a metal wire, how many electrons flow past a given cross section of the wire in 8.5 minutes?
A current of 75.8 mA exists in a metal wire. (a) How many electrons flow past...
A current of 75.8 mA exists in a metal wire. (a) How many electrons flow past a given cross section of the wire in 10.8 min? electrons (b) In what direction do the electrons travel with respect to the current? same directionopposite direction The magnitude is zero.
1. (a) A current of 83.4 mA exists in a metal wire. How many electrons flow...
1. (a) A current of 83.4 mA exists in a metal wire. How many electrons flow past a given cross section of the wire in 10.8 min? _______ (b) If a certain silver wire has a resistance of 7.80 Ω at 19.0°C, what resistance will it have at 54.0°C? _______ (c) A certain laboratory experiment requires an aluminum wire of length of 21.0 m and a resistance of 2.10 Ω at 20.0°C. What diameter wire must be used? (The resistivity...
Need help with these A current of 75.7 mA exists in a metal wire. How many...
Need help with these
A current of 75.7 mA exists in a metal wire. How many electrons flow past a given cross-section of the wire in 9.4 min? The fundamental charge is 1.602 Times 10^-19 C. Birds resting on high-voltage power lines are a common sight. A certain copper power line carries a current of 122 A, and its resistance per unit length is 2.39 Times 10^-5 1 Ohm/m. If a bird is standing on this line with its feet...
A steady current of 36 mA exists in a wire. How many electrons pass any given...
A steady current of 36 mA exists in a wire. How many electrons pass any given point in the wire per second? electrons per second
1. [-/10 Points) DETAILS SERCP11 17.2.P.001. A current of 87.4 mA exists in a metal wire....
1. [-/10 Points) DETAILS SERCP11 17.2.P.001. A current of 87.4 mA exists in a metal wire. (a) How many electrons flow past a given cross section of the wire in 10.5 min? electrons (b) In what direction do the electrons travel with respect to the current? same direction opposite direction The magnitude is zero. Need Help? Read it Watch It 2. [-/10 Points) DETAILS SERCP11 17.4.P.010. An electric heater carries a current of 10.5 A when operating at a voltage...
1 mA flows down a 1 mm diameter copper wire. How many billions of electrons pass...
1 mA flows down a 1 mm diameter copper wire. How many billions of electrons pass through a cross section of the wire each μ s (microsecond)?
If 1.0 A of current are passing through a wire how many electrons pass through a...
If 1.0 A of current are passing through a wire how many electrons pass through a cross-section of the wire in 1.0 hours?
a) In a wire with a 2.81-mm2 cross-sectional area, 8.91 × 1020 electrons flow past any...
a) In a wire with a 2.81-mm2 cross-sectional area, 8.91 × 1020 electrons flow past any point during 2.61 s. What is the current in the wire? b) Find the current density.
Need help with these
A current of 75.7 mA exists in a metal wire. How many electrons flow past a given cross-section of the wire in 9.4 min? The fundamental charge is 1.602 Times 10^-19 C. Birds resting on high-voltage power lines are a common sight. A certain copper power line carries a current of 122 A, and its resistance per unit length is 2.39 Times 10^-5 1 Ohm/m. If a bird is standing on this line with its feet...
1. [-/10 Points) DETAILS SERCP11 17.2.P.001. A current of 87.4 mA exists in a metal wire. (a) How many electrons flow past a given cross section of the wire in 10.5 min? electrons (b) In what direction do the electrons travel with respect to the current? same direction opposite direction The magnitude is zero. Need Help? Read it Watch It 2. [-/10 Points) DETAILS SERCP11 17.4.P.010. An electric heater carries a current of 10.5 A when operating at a voltage...
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