Introduction To Health Physics
5th Edition
ISBN: 9780071835275
Author: Johnson, Thomas E. (thomas Edward), Cember, Herman.
Publisher: Mcgraw-hill Education,
expand_more
expand_more
format_list_bulleted
Question
Chapter 6, Problem 6.2P
To determine
The exposure rate.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
A 729 range meter is having an accuracy of ± 1.45% of FSD. Calculate the %error for a measurement of 1325 reading.
(i)Accuracy=
(ii) %Error=
The brightness of a television tube can be evaluated by measuring the amount of current required to achieve a particular brightness level. A sample of 25 tubes results in x̅= 450.5 and s = 21.6. Find (in microamperes) a 99% confidence interval on the mean current required.
use: n-101°cm, Eg 1.1eV, Ho 1000 cm2/V.s, Ho-250cm?/N.s, KT=26meV, q 1.6x10-19 C, Eg- 12 and Eo-8.85x10 14 F/cm. In Fig. 1 Find the electron
diffusion current density at x 1um
Ee
B
[0.45eV
E
Er
0.
0.5 ja
Fig. 1
O a. 0.065A/cm2
O b. 0,82A/cm2
Oc 9.7x10 A/cm?
O d. 0.487A/cm
Chapter 6 Solutions
Introduction To Health Physics
Ch. 6 - A 50-µC/kg (approximately 200 mR) pocket dosimeter...Ch. 6 - Prob. 6.2PCh. 6 - Prob. 6.3PCh. 6 - Prob. 6.4PCh. 6 - Prob. 6.5PCh. 6 - Prob. 6.6PCh. 6 - Prob. 6.7PCh. 6 - Prob. 6.8PCh. 6 - Prob. 6.9PCh. 6 - Prob. 6.10P
Ch. 6 - Prob. 6.11PCh. 6 - Prob. 6.12PCh. 6 - Prob. 6.13PCh. 6 - Prob. 6.14PCh. 6 - Prob. 6.15PCh. 6 - Prob. 6.16PCh. 6 - Prob. 6.17PCh. 6 - Prob. 6.19PCh. 6 - Prob. 6.20PCh. 6 - Calculate the average power density, in watts per...Ch. 6 - Prob. 6.22PCh. 6 - Prob. 6.23PCh. 6 - Prob. 6.24PCh. 6 - Prob. 6.26PCh. 6 - Prob. 6.27PCh. 6 - Prob. 6.28PCh. 6 - Prob. 6.29PCh. 6 - Prob. 6.33P
Knowledge Booster
Similar questions
- Question 1: By measuring the currents and times and then draw the current vs time graph using the measurement at the lab for ɛ =8 V, R=1M Q and C=1µF. What is the current at t=2.5 s? (20p) e RC = Ioe¯RC %3| R values obtained after the experiment: Io-8µA Approximate time until current becomes zero= 5.7 sarrow_forwardTha values are 5.20 V, 1.16 mA, and 2.04 mAarrow_forward1.4. The resistance of a doped germanium crystal obeys the equation log R' = 4.697 – 3.917 log T. (a) In a liquid helium cryostat, the resistance is measured to be 218 N. What is the temperature? (b) Make a log-log graph of R' against T from 200 to 30,000 N. Th nocictance of a nlatinum wire is found to be 11.000 at the ice point, 15.247 N atarrow_forward
- The relation between resistance R and temperature T for a thermistor (a device that measures temperature) closely follows R = Ro e[Beta (1/T - 1/To)] where R is the resistance in ohms measured at temperature K, and Beta is a material constant. What are the units of Beta and Ro? Clearly show how you decided on your answer.arrow_forward4. Calculate the number of ion pairs produced by an electron with kinetic energy of 1.0 MeV passing through a 30 mm thick ionization chamber. What is the total charge of electrons? If a hundred such particles pass through the chamber each second and all the ions are collected at the electrodes what is the total current? (The density of the gas is 1.3 kg/m³, the mass stopping power for air for 1.0 MeV is 1.67 MeV/(g/cm2) and it takes about 34 eV to produce an ion pair in air).arrow_forwardYou are given the following data for the specific charge of copper ions experiment, 田 Current Time Initial mass Final mass I (A) t (s) 2000 mi (g) 42.60 m2 (g) 0.5 42.93 Where GI = 0.01 A, ot = 0.005 s, GM = 0.005 g. Then, determine the standard deviation of the specific charge (oK). O a. 0.71x10° C/kg Ob. 0.19x105 C/kg O C. 0.09x106 C/kg d. 0.66×106 C/kg e. 0.31x105 C/kgarrow_forward
- Given a 5mm-diamtere sample wire, 7m long, in which a current of 175 mA passes throught it. A voltage of 25V is measured across this sample when the two probes of the VOM are separated 3000 mm. Determine: A. the electrical conductivity of this wire B. the resistance over the entire length of this wire.arrow_forwardQ2: A Si bar 0.1 cm long and 100um2 in cross sectional area is doped with 1017 cm-3 phosphor. Find the current at 300 k with 10v applied cm? voltage. Hn = 700 (Ans. 1.12mA). v.Sarrow_forwardA brine sample recovered from depth of 8400 ft has a measured resistivity of 0.28 ohm-m at temperature of 68F. What is the resistivity of this brine in the reservoir?arrow_forward
- Problems Q1: Calculate the drift current density in silicon sample. If T=300 K, N=102/m*, Na=102/m’V, un=0.85m’/V.s, Up=0.04m/V.s, E=35 V/cm.. (Ans: 6.8×104A/m²).arrow_forwardA TG. has 50o tums each of Hadius 2 cm If By-3.6 x 105wb/m², find ils reduclion faclor and deflolion due to 3 mA current.arrow_forwardB2arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
