Please show work During a radiofrequency ablation (RFA) procedure to destroy a cancerous liver tumor, an electrode catheter is inserted into the tumor and a 60.0 W AC source with frequency 635 kHz is used togenerate radio frequency waves in the catheter. A typical electrode catheter is 1.00 cm in length and 8.00 mm in diameter. The deposition of energy into tumor cells by these radio waves is dependenton the specific absorption rate (SAR), measured in watts per kilogram, of the target tissue, given by1SAR =IE/2PEPMwhere Pe is the resistivity of the tissue, typically, 2.22 Q : m for liver tumors, em is its mass density, typically 1.06 g/ml, and E is the magnitude of the electric field in the catheter.(a) What is the intensity (in W/m2) of radio frequency electromagnetic waves on the surface of the catheter? (Approximate the cathether as a solid cylinder, for which radio waves emanate from bothflat faces and the curved surface.)W/m2(b) What is the magnitude of the electric field (in kV/m) for these waves?kV/m(c)What is the SAR (in W/kg) when the device is operated at 60.0 W?W/kg(d) How does the wavelength of the RF waves compare to the size of the catheter? (Enter the ratio of the wavelength to the length of the catheter.)"catheter

Power, P = 60 WFrequency, f = 635 HzLength, L = 0.01 mRadius, r = 8×10-3 mResistivity of tissue, ρE…

During a radiofrequency ablation (RFA) procedure to destroy a cancerous liver tumor, an electrode catheter is inserted into the tumor and a 60.0 W AC source with frequency 635 kHz is used to generate radio frequency waves in the catheter. A typical electrode catheter is 1.00 cm in length and 8.00 mm in diameter. The deposition of energy into tumor cells by these radio waves is dependent on the specific absorption rate (SAR), measured in watts per kilogram, of the target tissue, given by 1 SAR = PEPM where Pe is the resistivity of the tissue, typically, 2.22 0· m for liver tumors, pm is its mass density, typically 1.06 g/ml, and E is the magnitude of the electric field in the catheter. (a) What is the intensity (in Ww/m2) of radio frequency electromagnetic waves on the surface of the catheter? (Approximate the cathether as a solid cylinder, for which radio waves emanate from both flat faces and the curved surface.) W/m2 (b) What is the magnitude of the electric field (in kV/m) for these waves? kV/m (c) What is the SAR (in W/kg) when the device is operated at 60.0 W? W/kg

During a radiofrequency ablation (RFA) procedure to destroy a cancerous liver tumor, an electrode catheter is inserted into the tumor and a 60.0 W AC source with frequency 635 kHz is used to generate radio frequency waves in the catheter. A typical electrode catheter is 1.00 cm in length and 8.00 mm in diameter. The deposition of energy into tumor cells by these radio waves is dependent on the specific absorption rate (SAR), measured in watts per kilogram, of the target tissue, given by 1 SAR = PEPM where Pe is the resistivity of the tissue, typically, 2.22 0· m for liver tumors, pm is its mass density, typically 1.06 g/ml, and E is the magnitude of the electric field in the catheter. (a) What is the intensity (in Ww/m2) of radio frequency electromagnetic waves on the surface of the catheter? (Approximate the cathether as a solid cylinder, for which radio waves emanate from both flat faces and the curved surface.) W/m2 (b) What is the magnitude of the electric field (in kV/m) for these waves? kV/m (c) What is the SAR (in W/kg) when the device is operated at 60.0 W? W/kg

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

Please show work

During a radiofrequency ablation (RFA) procedure to destroy a cancerous liver tumor, an electrode catheter is inserted into the tumor and a 60.0 W AC source with frequency 635 kHz is used to
generate radio frequency waves in the catheter. A typical electrode catheter is 1.00 cm in length and 8.00 mm in diameter. The deposition of energy into tumor cells by these radio waves is dependent
on the specific absorption rate (SAR), measured in watts per kilogram, of the target tissue, given by
1
SAR =
IE/2
PEPM
where Pe is the resistivity of the tissue, typically, 2.22 Q : m for liver tumors, em is its mass density, typically 1.06 g/ml, and E is the magnitude of the electric field in the catheter.
(a) What is the intensity (in W/m2) of radio frequency electromagnetic waves on the surface of the catheter? (Approximate the cathether as a solid cylinder, for which radio waves emanate from both
flat faces and the curved surface.)
W/m2
(b) What is the magnitude of the electric field (in kV/m) for these waves?
kV/m
(c)
What is the SAR (in W/kg) when the device is operated at 60.0 W?
W/kg
(d) How does the wavelength of the RF waves compare to the size of the catheter? (Enter the ratio of the wavelength to the length of the catheter.)
"catheter

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