Formula of electric flux - Study guides, Class notes & Summaries

A resistor __________________. a. stores an electric charge b. is measured in coulombs c. cause a voltage drop across it d. dependent on lines of force - Answer c. cause a voltage drop across it 1 kΩ is the same as _________. a. 1000 ohms b. .001 ohms c. 10e-2 ohms d. 10000 ohms - Answer a. 1000 ohms A resistor with color bands orange, red, brown is _____. a. 3.2 mega ohms b. 232 ohms c. 2.3 kilo ohms d. 320 ohms - Answer d. 320 ohms A circuit with 500 ohm resistor in...

Different tissues that have signals that appear similar on an MR image are described as: - Answer isointense In a large main magnetic field such as those employed in MRI, the motion of a hydrogen proton has been described as wobbling like a spinning top. this motion is called: - Answer precession magnetic resonance imaging is derived from the process known as: - Answer nuclear magnetic resonance Once the nmv has moved away from equilibrium, the following will occur - Answer the transver...

B+, or supply voltages in electronics products, is considered to be: A. +5 to +12 VDC B. 0 to 30 V DC C. +12 to 300 V DC D. The anode or plate voltage supply - Answer D. The anode or plate voltage supply Leakage current in an electronic product, between either of the AC power cord conductors and the chassis or any exposed metals should not exceed _________. A. 5 microamps B. 500 microamps C. 5 milliamps D. 50 milliamps - Answer B. 500 microamps Shaded components on the electro...

GROL Element 3: Complete Study Guide and Practice Questions for General Radiotelephone Operator License The product of the readings of an AC voltmeter and AC ammeter is called: Apparent power What is the term used to express the amount electrical energy stored in an electrostatic field? Joules What formula would determine the inductive reactance of a coil if frequency and coil inductance is known? Xl=2pi(fL) What determines the strength of a magnetic field around a conductor? The am...

20 milliamperes is the same as ________. (Remember, 1 milliampere = 0.001 ampere.) - 0.02 amperes The orbital shell that has a maximum electron capacity of 18 electrons is the ___________ shell. - Third A semiconductor material - Has four valence electrons. The major factor for determining whether a particular element is a conductor, a semiconductor, or an insulator is - The number of electrons in the valence shell. Elements that are called conductors - Have very few valence electron...

CETa Study Guide Exam 194 Questions with Verified Answers 8.33 meters is the full wavelength in air for what RF frequency? - CORRECT ANSWER 36 MHz Decimal 164 would appear as what in binary? - CORRECT ANSWER A resistor has color stripes yellow, violet, violet, silver. It is? - CORRECT ANSWER 470 MegOhm +/- 10% What is the total capacitance of three capacitors valued at 100uf, 100uf and 50uf when connected in series? - CORRECT ANSWER 25 pf What is the ripple frequency of a full wa...

IBHRE CEPS Electrical and Procedural Foundations Study Guide with Complete Solutions E = V x I x time - Answer-Formula for energy Ampere - Answer-measures electron flow rate or current in electrical conductor, measured in Coulombs/second Ampere-hour - Answer-Unit of batter capacity Amount of energy charge in a battery Capacitance - Answer-Relationship between charge stored and voltage applied E = 0.5 x Capacitance x Voltage ^2 - Answer-Stored energy equation Power - Answer-Rate at whic...

SEMMELWEIS UNIVERSITY Medical Biophysics I. Semifinal - Theory topics Types of radiation according to energy transfer: Electromagnetic (light), mechanical (sound), particle (alpha) according to interaction with matter: ionizing (alpha), nonionizing (sound) Dependance of irradiance on distance from the source Irradiance is the incident radiation on a target. The dependence on distance from the source varies with the type of source. Assuming there is no attenuation: ● Point like sour...

*Study guide for the ARRT exam in radiography.* - answer-*Anatomy and positioning are not covered in this study guide.* What is a tort? - answer-A violation of civil law. Torts are also known as ________. - answer-Personal Injury Law If a patient is apprehensive about being injured, or a radiographer causes fear in the patient, it is known as ________. - answer-Assault Unlawful touching or touching without consent, harm resulting from physical contact with the radiographer, and imagi...

ETA CET Exam 382 Questions with Verified Answers The resistance of a component at a given frequency - CORRECT ANSWER What is impedance? Diode - CORRECT ANSWER A two terminal device that conducts in only one direction. Printed Circuit Board - CORRECT ANSWER Insulating board containing conductive tracks for circuit connections. Capacitor - CORRECT ANSWER An electrical device used to store electrical charge. 1996 - CORRECT ANSWER When did the ETA initiate renewal? False - CORRECT ...