*1 As shown to the right, an outer coil of wire is 20 cm long, 6.0 cm in diameter, with 100 turns of wire and has a total resistance of 0.5 0. It is attached to a battery, as shown, that steadily increases in voltage from 0 V to 24 V in 1s, then remains at 24 V for t> 0.25 s. The inner coil of wire is 4 cm long, 4 cm in diameter, has 40 turns of wire, and has a total resistance of 0.025 2. It is connected, as shown, to a current meter 60 a) As the voltage to the outer coil begins to increase, in which direction (left-to-right or right-to-left) does current flow through the meter? Explain. b) Determine an expression for the magnitude of the current through

*1 As shown to the right, an outer coil of wire is 20 cm long, 6.0 cm in diameter, with 100 turns of wire and has a total resistance of 0.5 0. It is attached to a battery, as shown, that steadily increases in voltage from 0 V to 24 V in 1s, then remains at 24 V for t> 0.25 s. The inner coil of wire is 4 cm long, 4 cm in diameter, has 40 turns of wire, and has a total resistance of 0.025 2. It is connected, as shown, to a current meter 60 a) As the voltage to the outer coil begins to increase, in which direction (left-to-right or right-to-left) does current flow through the meter? Explain. b) Determine an expression for the magnitude of the current through

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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Question

*1 As shown to the right, an outer coil of wire is 20 cm long, 6.0 cm in
diameter, with 100 turns of wire and has a total resistance of 0.5 9.
It is attached to a battery, as shown, that steadily increases in
voltage from 0 V to 24 V in 1s, then remains at 24 V for t> 0.25 s.
The inner coil of wire is 4 cm long, 4 cm in diameter, has 40 turns of
wire, and has a total resistance of 0.025 2. It is connected, as
shown, to a current meter A
a) As the voltage to the outer coil begins to increase, in which
direction (left-to-right or right-to-left) does current flow through
the meter? Explain.
b) Determine an expression for the magnitude of the current through
the meter
1
6cm
↓
OOO
-000
4cm
00000
Hill
20cm
Note: The number of turn for
each coil are not accurately
depicted in this figure.

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