Brainarium

When the current increases in an AC circuit, what role does inductance play ? - CORRECT ANSWER-It reduces the current Which of the following coils is likely to show the lowest inductance? - CORRECT ANSWER-A coil with a narrow coil Which of the following conditions exists in a circuit of pure inductance? - CORRECT ANSWER-The voltage and current are 90 degrees out of phase Reactance increases with an increase in? - CORRECT ANSWER-Inductance Capacitance is measured in ? - CORRECT ANSWER-Fara...

What is the hertz rating of an AC circuit if the frequency is 20 cycles per 1/2 second? 40Hz Given: A circuit has an rms voltage of 120VAC. What is the peak-to-peak voltage? 340V A circuit has a peak voltage of 275V. What is the average voltage value? 175V Each of three equal capacitors in series has _____. one-third the applied voltage The formula for inductive reactance is _____ XL = 2πfL Given: An AC circuit containing resistance only. What is the current flow if the resistance is...

Which of the following best describes true power? - CORRECT ANSWER-The power consumed by the resistive components of a circuit Inrush current is a factor in the selecting transformers for ___ circuits. - CORRECT ANSWER-inductive In a circuit containing resistance only, the voltage and current are _______ with one another. - CORRECT ANSWER-in phase the number of cycles that an alternating electric current, sound wave, or vibrating object under goes per second is its - CORRECT ANSWER-freque...

A cobra-head luminaire may be used for roadway lighting.The type of dimming system that provides color changing ability and can be dimmed through the full range of illumination without flickering is a(n) LED dimming system.An office area in which the occupants sit quietly at desks is best suited for a lighting system controlled by a(n) infrared sensor. Time clocks are often used with photo sensors. HVAC equipment can be controlled by a(n) EMS (Emergency Management System). A class of ligh...

1. Which of these items determines the amount of voltage induced in a moving conductor? • Rate of movement, strength of mag field, speed of conductor 2. The greatest amount of voltage is induced when the conductor is moving _____ to the magnetic field. • perpendicular 3. Given frequencies of 60Hz and 50Hz, which has the shortest period? • 60Hz 4. What is the frequency of a waveform that occurs 500 times in 10 seconds? • 50Hz 5. What is the peak value of a waveform that has a pe...

Which of the following is considered a good semiconductor? Silicon 3 multiple choice options Materials with electrical characteristics that fall between those of insulators and conductors are considered semiconductors? semiconductors 3 multiple choice options We have an expert-written solution to this problem! Which of the following is used to step voltage up for transmission? Transformer 3 multiple choice options Magnetic lines of force are also referred to as flux lines. flux lines...

Match the motor conductor ampacity to the correct THWN (75°C) copper wire size using Table 310.15(B)(16). - CORRECT ANSWER-12 8 2/0 300 A 10-horsepower, 208-volt, single-phase, continuous-duty, induction type Design B motor is supplied by a motor branch circuit. Calculate the minimum ampacity for the motor branch-circuit conductors. - CORRECT ANSWER-68.75 A Two 10-horsepower, 440-volt, 3-phase, continuous-duty, induction type Design B motors are supplied by a single motor branch circui...

What is within the basic scope of Underwriters Laborites.. - CORRECT ANSWERSafety A device designed to withstand numerous trip and reset cycles without replacement and can be thermal, magnetic, or solid-state is an... - CORRECT ANSWER-Overload Relay What is TRUE regarding to circuit breakers.. - CORRECT ANSWER-Under normal conditions, the current flow bypasses the spring and latching mechanism. UL Class R fuses have a short circuit interrupting rating up to ... - CORRECT ANSWER- 200,000A ...

If a duty cycle includes only noninductive or slightly inductive loads, select an _____. - CORRECT ANSWER-AC-1 rated motor control device If the heater in a fixed IEC bimetallic overload relay fails, _____. - CORRECT ANSWER-the entire overload relay must be replaced In the figure provided, the belt runoff switch ZS108A is connected to junction box JB108 by cable _____. - CORRECT ANSWER-C108H In the figure provided, the purpose of the M1 normally closed contacts shown in the control circui...

Harmonics in overloaded neutrals can be reduced by . a) adding harmonic filters at the supply b) increasing the supply voltage c) adding harmonic filters at the load d) reducing the size of the neutral - CORRECT ANSWER-adding harmonic filters at the load (3.3.1) The ratio of the peak value of a waveform to the rms value is known as the . a) crest factor b) frequency c) service factor d) eddy current - CORRECT ANSWER-crest factor (3.2.2) A residence with 120V and 240V loads is likely...

Magnetic lines of force are also referred to as.. - CORRECT ANSWER-Flux lines Voltage is defined as the ... - CORRECT ANSWER-difference of potential Coulombs are a measure of ____. - CORRECT ANSWER-Electric Charge What is the circuit current if the voltage source is 120V and the resistance is 10 ohms? - CORRECT ANSWER-12A A measurement of 1,000 mils is equal to ____? - CORRECT ANSWER-1 inch. Copper is considered a(n) - CORRECT ANSWER-conductor What is the applied voltage if the current in...

NUR2459 EXAM PACKAGE DEAL, SCORED A+

A child diagnosed with ODD begins to yell at staff members when asked to leave group therapy because of inappropriate behaviors. Which nursing intervention would be the most appropriate. A. Accompany the child to a quiet area to decrease eternal stimuli B. Institute seclusion following the facilities protocol C. Allow the child to remain in group therapy and continue to monitor D. Assist the child in recognizing how to separate feelings from reactions - CORRECT ANSWER-A. Accompany the chi...

A client with schizophrenia has physician's orders for haloperidol (Haldol) 5 mg IM STAT and then 3 mg PO tid; 2 mg benztropine PO bid prn. Why is benztropine ordered? a. To treat extrapyramidal symptoms b. To prevent neuroleptic malignant syndrome c. To decrease psychotic symptoms d. To induce sleep a. To treat extrapyramidal symptoms A client on the psychiatric unit tells the nurse that the CIA is looking for him and will kill him if they find him. The client's false belief is an...

Somatic delusions Believe that their body is changing in an unusual way (growing a third arm, rotting from the inside) Jealousy May feel that their spouse is sexually involved with another individual Being controlled Believe that a force outside their body controls them Thought broadcasting Believes that their thoughts are heard by others Thought insertion Believe that others' thoughts are being inserted into their mind Thought withdrawal Believes that their thoughts have been rem...

what is significant about the impact of deinstitutionalization? - CORRECT ANSWERmany of the psych patients who needed services were forced onto the streets, potentially leading them to more harm and crime. 3 main reasons deinstitutionalization was initiated. - CORRECT ANSWER-the belief that treatment in the hospitals was inhumane hope that medications would offer a cure lack of funding at the state and federal level what is the order of maslows hierarchy of needs bottom to top? - CORRECT A...

Which of the following physical manifestations would you expect to assess in a client suffering from anorexia nervosa? a. Tachycardia, hypertension, hyperthermia b. Bradycardia, hypertension, hyperthermia c. Bradycardia, hypotension, hypothermia d. Tachycardia, hypotension, hypothermia - CORRECT ANSWER-c. Bradycardia, hypotension, hypothermia Which medication has been used with some success in clients with anorexia nervosa? a. Lorcaserin (Belviq) b. Diazepam (Valium) c. Fluoxetine (Pro...

explain what family therapy is - CORRECT ANSWER-therapy based on family dynamics and improving family functioning by learning the ways for dealing with mental illness in the family, improving understanding among family members, maximizing positive interaction with family members. explain what milieu therapy is - CORRECT ANSWER-creates an environment that is supportive and therapeutic and safe to benefit clients and promote coping within a safe place. explain what group therapy is - CORREC...

Goal of diarrhea treatment - CORRECT ANSWER-Goal of treatment: Identify and Treat primary cause, Manage secondary causes, prevent electrolyte & acid/base disturbances & dehydration , provide symptomatic relief , Note the primary goal is NOT ALWAYS to stop diarrhea (see below, Infectious diarrhea)! Non-pharmacologicalRehydration , oral preferredAvoid Soda products, Gatorade*, Chicken broth, TeaDietResume age-appropriate diet once rehydratedSecondary causes can include medications. An evalu...

Which of the following is a dangerous combination? A. MAOI-lorazepam B. MAOI-acetaminophen C. MAOI-meperidine D. MAOI-ziprasidone - CORRECT ANSWER-C A 23-year-old married white woman comes to the outpatient psychiatric clinic complaining of decreased sleep, decreased appetite, decreased concentration, depressed mood, thoughts of death, and lack of interest in activities for 6 weeks' duration. She has no history of psychiatric illness and takes no medications except for Ortho-Tri Cycl...