FIGURE P30.47 shows a 1.0-cm-diameter loop with inside a 2.0-cm-diameter solenoid. The solenoid is 8.0cm long, has 120 turns, and carries the current shown in the graph. A positive current is when seen from the left. Determine the current in the loop at
The current induced in the loop is
Inside this illustration here, we've shown the approach as from left. This power supplied in the thread will create a magnetic field that resisted the variation due to Lenz's law. In our situation, the stream with in circuit will turn around to achieve this need.
Just to see if can have discover its power in the spiral. The solenoid's magnetic field is consistent, and so its value is calculated
Faraday's law of induction
The magnetic flux is the current
The loop of current using Ohm's law
The graph depicts the change of piezo power - the charging current. by
Does the loop of wire in FIGURE have a clockwise current, a counterclockwise current, or no current under the following circumstances? Explain.
a. The magnetic field points out of the page and is increasing.
b. The magnetic field points out of the page and is constant.
c. The magnetic field points out of the page and is decreasing
The square loop shown in moves into a magnetic field at a constant speed of.The loop has a resistance of , and it enters the field at
a. Find the induced current in the loop as a function of time. Give your answer as a graph of ii versus from to
b. What is the maximum current? What is the position of the loop when the current is maximum?
86. III High-frequency signals are often transmitted along a coaxial CALC cable, such as the one shown in FIGURE CP30.86. For example, the cable TV hookup coming into your home is a coaxial cable. The signal is carried on a wire of radius while the outer conductor of radius is grounded. A soft, flexible insulating material fills the space between them, and an insulating plastic coating goes around the outside.
a. Find an expression for the inductance per meter of a coaxial cable. To do so, consider the flux through a rectangle of length that spans the gap between the inner and outer conductors.
b. Evaluate the inductance per meter of a cable having and .
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